[ARM] Fold select_cc(vecreduce_[u|s][min|max], x) into VMINV or VMAXV
This folds a select_cc or select(set_cc) of a max or min vector reduction with a scalar value into a VMAXV or VMINV.
Differential Revision: https://reviews.llvm.org/D87836
diff --git a/llvm/test/CodeGen/Thumb2/mve-vecreduce-loops.ll b/llvm/test/CodeGen/Thumb2/mve-vecreduce-loops.ll
index 382c32d..2862779 100644
--- a/llvm/test/CodeGen/Thumb2/mve-vecreduce-loops.ll
+++ b/llvm/test/CodeGen/Thumb2/mve-vecreduce-loops.ll
@@ -790,16 +790,16 @@
define i32 @smin_i32_inloop(i32* nocapture readonly %x, i32 %n) {
; CHECK-LABEL: smin_i32_inloop:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
+; CHECK-NEXT: .save {r7, lr}
+; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r1, #1
; CHECK-NEXT: blt .LBB8_3
; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r12, r0
-; CHECK-NEXT: mvn r0, #-2147483648
; CHECK-NEXT: cmp r1, #4
; CHECK-NEXT: bhs .LBB8_4
; CHECK-NEXT: @ %bb.2:
+; CHECK-NEXT: mvn r0, #-2147483648
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: b .LBB8_7
; CHECK-NEXT: .LBB8_3:
@@ -808,22 +808,20 @@
; CHECK-NEXT: .LBB8_4: @ %vector.ph
; CHECK-NEXT: bic r3, r1, #3
; CHECK-NEXT: movs r2, #1
-; CHECK-NEXT: sub.w lr, r3, #4
-; CHECK-NEXT: add.w lr, r2, lr, lsr #2
+; CHECK-NEXT: subs r0, r3, #4
+; CHECK-NEXT: add.w lr, r2, r0, lsr #2
+; CHECK-NEXT: mvn r0, #-2147483648
; CHECK-NEXT: mov r2, r12
; CHECK-NEXT: dls lr, lr
; CHECK-NEXT: .LBB8_5: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [r2], #16
-; CHECK-NEXT: mvn r4, #-2147483648
-; CHECK-NEXT: vminv.s32 r4, q0
-; CHECK-NEXT: cmp r0, r4
-; CHECK-NEXT: csel r0, r0, r4, lt
+; CHECK-NEXT: vminv.s32 r0, q0
; CHECK-NEXT: le lr, .LBB8_5
; CHECK-NEXT: @ %bb.6: @ %middle.block
; CHECK-NEXT: cmp r3, r1
; CHECK-NEXT: it eq
-; CHECK-NEXT: popeq {r4, pc}
+; CHECK-NEXT: popeq {r7, pc}
; CHECK-NEXT: .LBB8_7: @ %for.body.preheader1
; CHECK-NEXT: sub.w lr, r1, r3
; CHECK-NEXT: add.w r1, r12, r3, lsl #2
@@ -835,7 +833,7 @@
; CHECK-NEXT: csel r0, r0, r2, lt
; CHECK-NEXT: le lr, .LBB8_8
; CHECK-NEXT: .LBB8_9: @ %for.cond.cleanup
-; CHECK-NEXT: pop {r4, pc}
+; CHECK-NEXT: pop {r7, pc}
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
@@ -988,16 +986,16 @@
define i32 @smax_i32_inloop(i32* nocapture readonly %x, i32 %n) {
; CHECK-LABEL: smax_i32_inloop:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
+; CHECK-NEXT: .save {r7, lr}
+; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r1, #1
; CHECK-NEXT: blt .LBB10_3
; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r12, r0
-; CHECK-NEXT: mov.w r0, #-2147483648
; CHECK-NEXT: cmp r1, #4
; CHECK-NEXT: bhs .LBB10_4
; CHECK-NEXT: @ %bb.2:
+; CHECK-NEXT: mov.w r0, #-2147483648
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: b .LBB10_7
; CHECK-NEXT: .LBB10_3:
@@ -1006,22 +1004,20 @@
; CHECK-NEXT: .LBB10_4: @ %vector.ph
; CHECK-NEXT: bic r3, r1, #3
; CHECK-NEXT: movs r2, #1
-; CHECK-NEXT: sub.w lr, r3, #4
-; CHECK-NEXT: add.w lr, r2, lr, lsr #2
+; CHECK-NEXT: subs r0, r3, #4
+; CHECK-NEXT: add.w lr, r2, r0, lsr #2
+; CHECK-NEXT: mov.w r0, #-2147483648
; CHECK-NEXT: mov r2, r12
; CHECK-NEXT: dls lr, lr
; CHECK-NEXT: .LBB10_5: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [r2], #16
-; CHECK-NEXT: mov.w r4, #-2147483648
-; CHECK-NEXT: vmaxv.s32 r4, q0
-; CHECK-NEXT: cmp r0, r4
-; CHECK-NEXT: csel r0, r0, r4, gt
+; CHECK-NEXT: vmaxv.s32 r0, q0
; CHECK-NEXT: le lr, .LBB10_5
; CHECK-NEXT: @ %bb.6: @ %middle.block
; CHECK-NEXT: cmp r3, r1
; CHECK-NEXT: it eq
-; CHECK-NEXT: popeq {r4, pc}
+; CHECK-NEXT: popeq {r7, pc}
; CHECK-NEXT: .LBB10_7: @ %for.body.preheader1
; CHECK-NEXT: sub.w lr, r1, r3
; CHECK-NEXT: add.w r1, r12, r3, lsl #2
@@ -1033,7 +1029,7 @@
; CHECK-NEXT: csel r0, r0, r2, gt
; CHECK-NEXT: le lr, .LBB10_8
; CHECK-NEXT: .LBB10_9: @ %for.cond.cleanup
-; CHECK-NEXT: pop {r4, pc}
+; CHECK-NEXT: pop {r7, pc}
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
@@ -1186,16 +1182,16 @@
define i32 @umin_i32_inloop(i32* nocapture readonly %x, i32 %n) {
; CHECK-LABEL: umin_i32_inloop:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
+; CHECK-NEXT: .save {r7, lr}
+; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r1, #1
; CHECK-NEXT: blt .LBB12_3
; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r12, r0
-; CHECK-NEXT: mov.w r0, #-1
; CHECK-NEXT: cmp r1, #4
; CHECK-NEXT: bhs .LBB12_4
; CHECK-NEXT: @ %bb.2:
+; CHECK-NEXT: mov.w r0, #-1
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: b .LBB12_7
; CHECK-NEXT: .LBB12_3:
@@ -1204,22 +1200,20 @@
; CHECK-NEXT: .LBB12_4: @ %vector.ph
; CHECK-NEXT: bic r3, r1, #3
; CHECK-NEXT: movs r2, #1
-; CHECK-NEXT: sub.w lr, r3, #4
-; CHECK-NEXT: add.w lr, r2, lr, lsr #2
+; CHECK-NEXT: subs r0, r3, #4
+; CHECK-NEXT: add.w lr, r2, r0, lsr #2
+; CHECK-NEXT: mov.w r0, #-1
; CHECK-NEXT: mov r2, r12
; CHECK-NEXT: dls lr, lr
; CHECK-NEXT: .LBB12_5: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [r2], #16
-; CHECK-NEXT: mov.w r4, #-1
-; CHECK-NEXT: vminv.u32 r4, q0
-; CHECK-NEXT: cmp r0, r4
-; CHECK-NEXT: csel r0, r0, r4, lo
+; CHECK-NEXT: vminv.u32 r0, q0
; CHECK-NEXT: le lr, .LBB12_5
; CHECK-NEXT: @ %bb.6: @ %middle.block
; CHECK-NEXT: cmp r3, r1
; CHECK-NEXT: it eq
-; CHECK-NEXT: popeq {r4, pc}
+; CHECK-NEXT: popeq {r7, pc}
; CHECK-NEXT: .LBB12_7: @ %for.body.preheader1
; CHECK-NEXT: sub.w lr, r1, r3
; CHECK-NEXT: add.w r1, r12, r3, lsl #2
@@ -1231,7 +1225,7 @@
; CHECK-NEXT: csel r0, r0, r2, hi
; CHECK-NEXT: le lr, .LBB12_8
; CHECK-NEXT: .LBB12_9: @ %for.cond.cleanup
-; CHECK-NEXT: pop {r4, pc}
+; CHECK-NEXT: pop {r7, pc}
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
@@ -1384,17 +1378,22 @@
define i32 @umax_i32_inloop(i32* nocapture readonly %x, i32 %n) {
; CHECK-LABEL: umax_i32_inloop:
; CHECK: @ %bb.0: @ %entry
-; CHECK-NEXT: .save {r4, lr}
-; CHECK-NEXT: push {r4, lr}
+; CHECK-NEXT: .save {r7, lr}
+; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r1, #1
-; CHECK-NEXT: blt .LBB14_8
+; CHECK-NEXT: blt .LBB14_3
; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r12, r0
-; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: cmp r1, #4
-; CHECK-NEXT: mov.w r0, #0
-; CHECK-NEXT: blo .LBB14_5
-; CHECK-NEXT: @ %bb.2: @ %vector.ph
+; CHECK-NEXT: bhs .LBB14_4
+; CHECK-NEXT: @ %bb.2:
+; CHECK-NEXT: movs r3, #0
+; CHECK-NEXT: movs r0, #0
+; CHECK-NEXT: b .LBB14_7
+; CHECK-NEXT: .LBB14_3:
+; CHECK-NEXT: movs r0, #0
+; CHECK-NEXT: b .LBB14_9
+; CHECK-NEXT: .LBB14_4: @ %vector.ph
; CHECK-NEXT: bic r3, r1, #3
; CHECK-NEXT: movs r2, #1
; CHECK-NEXT: subs r0, r3, #4
@@ -1402,33 +1401,27 @@
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: mov r2, r12
; CHECK-NEXT: dls lr, lr
-; CHECK-NEXT: .LBB14_3: @ %vector.body
+; CHECK-NEXT: .LBB14_5: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [r2], #16
-; CHECK-NEXT: movs r4, #0
-; CHECK-NEXT: vmaxv.u32 r4, q0
-; CHECK-NEXT: cmp r0, r4
-; CHECK-NEXT: csel r0, r0, r4, hi
-; CHECK-NEXT: le lr, .LBB14_3
-; CHECK-NEXT: @ %bb.4: @ %middle.block
+; CHECK-NEXT: vmaxv.u32 r0, q0
+; CHECK-NEXT: le lr, .LBB14_5
+; CHECK-NEXT: @ %bb.6: @ %middle.block
; CHECK-NEXT: cmp r3, r1
; CHECK-NEXT: it eq
-; CHECK-NEXT: popeq {r4, pc}
-; CHECK-NEXT: .LBB14_5: @ %for.body.preheader1
+; CHECK-NEXT: popeq {r7, pc}
+; CHECK-NEXT: .LBB14_7: @ %for.body.preheader1
; CHECK-NEXT: sub.w lr, r1, r3
; CHECK-NEXT: add.w r1, r12, r3, lsl #2
; CHECK-NEXT: dls lr, lr
-; CHECK-NEXT: .LBB14_6: @ %for.body
+; CHECK-NEXT: .LBB14_8: @ %for.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldr r2, [r1], #4
; CHECK-NEXT: cmp r0, r2
; CHECK-NEXT: csel r0, r0, r2, hi
-; CHECK-NEXT: le lr, .LBB14_6
-; CHECK-NEXT: @ %bb.7: @ %for.cond.cleanup
-; CHECK-NEXT: pop {r4, pc}
-; CHECK-NEXT: .LBB14_8:
-; CHECK-NEXT: movs r0, #0
-; CHECK-NEXT: pop {r4, pc}
+; CHECK-NEXT: le lr, .LBB14_8
+; CHECK-NEXT: .LBB14_9: @ %for.cond.cleanup
+; CHECK-NEXT: pop {r7, pc}
entry:
%cmp6 = icmp sgt i32 %n, 0
br i1 %cmp6, label %for.body.preheader, label %for.cond.cleanup
diff --git a/llvm/test/CodeGen/Thumb2/mve-vmaxv-vminv-scalar.ll b/llvm/test/CodeGen/Thumb2/mve-vmaxv-vminv-scalar.ll
new file mode 100644
index 0000000..13b831e
--- /dev/null
+++ b/llvm/test/CodeGen/Thumb2/mve-vmaxv-vminv-scalar.ll
@@ -0,0 +1,647 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp %s -o - | FileCheck %s
+
+define arm_aapcs_vfpcc zeroext i8 @uminv16i8(<16 x i8> %vec, i8 zeroext %min) {
+; CHECK-LABEL: uminv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u8 r0, q0
+; CHECK-NEXT: uxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.umin.v16i8(<16 x i8> %vec)
+ %cmp = icmp ult i8 %x, %min
+ %1 = select i1 %cmp, i8 %x, i8 %min
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i16 @uminv8i16(<8 x i16> %vec, i16 zeroext %min) {
+; CHECK-LABEL: uminv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u16 r0, q0
+; CHECK-NEXT: uxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umin.v8i16(<8 x i16> %vec)
+ %cmp = icmp ult i16 %x, %min
+ %1 = select i1 %cmp, i16 %x, i16 %min
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @uminv4i32(<4 x i32> %vec, i32 %min) {
+; CHECK-LABEL: uminv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.umin.v4i32(<4 x i32> %vec)
+ %cmp = icmp ult i32 %x, %min
+ %1 = select i1 %cmp, i32 %x, i32 %min
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @sminv16i8(<16 x i8> %vec, i8 signext %min) {
+; CHECK-LABEL: sminv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s8 r0, q0
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smin.v16i8(<16 x i8> %vec)
+ %cmp = icmp slt i8 %x, %min
+ %1 = select i1 %cmp, i8 %x, i8 %min
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @sminv8i16(<8 x i16> %vec, i16 signext %min) {
+; CHECK-LABEL: sminv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s16 r0, q0
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smin.v8i16(<8 x i16> %vec)
+ %cmp = icmp slt i16 %x, %min
+ %1 = select i1 %cmp, i16 %x, i16 %min
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @sminv4i32(<4 x i32> %vec, i32 %min) {
+; CHECK-LABEL: sminv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32> %vec)
+ %cmp = icmp slt i32 %x, %min
+ %1 = select i1 %cmp, i32 %x, i32 %min
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc zeroext i8 @umaxv16i8(<16 x i8> %vec, i8 zeroext %max) {
+; CHECK-LABEL: umaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u8 r0, q0
+; CHECK-NEXT: uxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> %vec)
+ %cmp = icmp ugt i8 %x, %max
+ %1 = select i1 %cmp, i8 %x, i8 %max
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i16 @umaxv8i16(<8 x i16> %vec, i16 zeroext %max) {
+; CHECK-LABEL: umaxv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u16 r0, q0
+; CHECK-NEXT: uxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> %vec)
+ %cmp = icmp ugt i16 %x, %max
+ %1 = select i1 %cmp, i16 %x, i16 %max
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @umaxv4i32(<4 x i32> %vec, i32 %max) {
+; CHECK-LABEL: umaxv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> %vec)
+ %cmp = icmp ugt i32 %x, %max
+ %1 = select i1 %cmp, i32 %x, i32 %max
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @smaxv16i8(<16 x i8> %vec, i8 signext %max) {
+; CHECK-LABEL: smaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s8 r0, q0
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8> %vec)
+ %cmp = icmp sgt i8 %x, %max
+ %1 = select i1 %cmp, i8 %x, i8 %max
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @smaxv8i16(<8 x i16> %vec, i16 signext %max) {
+; CHECK-LABEL: smaxv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s16 r0, q0
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smax.v8i16(<8 x i16> %vec)
+ %cmp = icmp sgt i16 %x, %max
+ %1 = select i1 %cmp, i16 %x, i16 %max
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @smaxv4i32(<4 x i32> %vec, i32 %max) {
+; CHECK-LABEL: smaxv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.smax.v4i32(<4 x i32> %vec)
+ %cmp = icmp sgt i32 %x, %max
+ %1 = select i1 %cmp, i32 %x, i32 %max
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc zeroext i8 @commute_uminv16i8(<16 x i8> %vec, i8 zeroext %min) {
+; CHECK-LABEL: commute_uminv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u8 r0, q0
+; CHECK-NEXT: uxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.umin.v16i8(<16 x i8> %vec)
+ %cmp = icmp ult i8 %min, %x
+ %1 = select i1 %cmp, i8 %min, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i16 @commute_uminv8i16(<8 x i16> %vec, i16 zeroext %min) {
+; CHECK-LABEL: commute_uminv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u16 r0, q0
+; CHECK-NEXT: uxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umin.v8i16(<8 x i16> %vec)
+ %cmp = icmp ult i16 %min, %x
+ %1 = select i1 %cmp, i16 %min, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @commute_uminv4i32(<4 x i32> %vec, i32 %min) {
+; CHECK-LABEL: commute_uminv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.umin.v4i32(<4 x i32> %vec)
+ %cmp = icmp ult i32 %min, %x
+ %1 = select i1 %cmp, i32 %min, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @commute_sminv16i8(<16 x i8> %vec, i8 signext %min) {
+; CHECK-LABEL: commute_sminv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s8 r0, q0
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smin.v16i8(<16 x i8> %vec)
+ %cmp = icmp slt i8 %min, %x
+ %1 = select i1 %cmp, i8 %min, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @commute_sminv8i16(<8 x i16> %vec, i16 signext %min) {
+; CHECK-LABEL: commute_sminv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s16 r0, q0
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smin.v8i16(<8 x i16> %vec)
+ %cmp = icmp slt i16 %min, %x
+ %1 = select i1 %cmp, i16 %min, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @commute_sminv4i32(<4 x i32> %vec, i32 %min) {
+; CHECK-LABEL: commute_sminv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32> %vec)
+ %cmp = icmp slt i32 %min, %x
+ %1 = select i1 %cmp, i32 %min, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc zeroext i8 @commute_umaxv16i8(<16 x i8> %vec, i8 zeroext %max) {
+; CHECK-LABEL: commute_umaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u8 r0, q0
+; CHECK-NEXT: uxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> %vec)
+ %cmp = icmp ugt i8 %max, %x
+ %1 = select i1 %cmp, i8 %max, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i16 @commute_umaxv8i16(<8 x i16> %vec, i16 zeroext %max) {
+; CHECK-LABEL: commute_umaxv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u16 r0, q0
+; CHECK-NEXT: uxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> %vec)
+ %cmp = icmp ugt i16 %max, %x
+ %1 = select i1 %cmp, i16 %max, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @commute_umaxv4i32(<4 x i32> %vec, i32 %max) {
+; CHECK-LABEL: commute_umaxv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> %vec)
+ %cmp = icmp ugt i32 %max, %x
+ %1 = select i1 %cmp, i32 %max, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @commute_smaxv16i8(<16 x i8> %vec, i8 signext %max) {
+; CHECK-LABEL: commute_smaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s8 r0, q0
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8> %vec)
+ %cmp = icmp sgt i8 %max, %x
+ %1 = select i1 %cmp, i8 %max, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @commute_smaxv8i16(<8 x i16> %vec, i16 signext %max) {
+; CHECK-LABEL: commute_smaxv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s16 r0, q0
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smax.v8i16(<8 x i16> %vec)
+ %cmp = icmp sgt i16 %max, %x
+ %1 = select i1 %cmp, i16 %max, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @commute_smaxv4i32(<4 x i32> %vec, i32 %max) {
+; CHECK-LABEL: commute_smaxv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.smax.v4i32(<4 x i32> %vec)
+ %cmp = icmp sgt i32 %max, %x
+ %1 = select i1 %cmp, i32 %max, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @mismatch_smaxv16i8(<16 x i8> %vec, i8 signext %max) {
+; CHECK-LABEL: mismatch_smaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: mvn r1, #127
+; CHECK-NEXT: vmaxv.s8 r1, q0
+; CHECK-NEXT: sxtb r2, r1
+; CHECK-NEXT: cmp r2, r0
+; CHECK-NEXT: csel r0, r0, r1, gt
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8> %vec)
+ %cmp = icmp sgt i8 %x, %max
+ %1 = select i1 %cmp, i8 %max, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @mismatch2_smaxv16i8(<16 x i8> %vec, i8 signext %max) {
+; CHECK-LABEL: mismatch2_smaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: mvn r1, #127
+; CHECK-NEXT: vmaxv.s8 r1, q0
+; CHECK-NEXT: sxtb r2, r1
+; CHECK-NEXT: cmp r0, r2
+; CHECK-NEXT: csel r0, r1, r0, gt
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8> %vec)
+ %cmp = icmp sgt i8 %max, %x
+ %1 = select i1 %cmp, i8 %x, i8 %max
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i8 @inverted_uminv16i8(<16 x i8> %vec, i8 zeroext %min) {
+; CHECK-LABEL: inverted_uminv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u8 r0, q0
+; CHECK-NEXT: uxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.umin.v16i8(<16 x i8> %vec)
+ %cmp = icmp ugt i8 %x, %min
+ %1 = select i1 %cmp, i8 %min, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i16 @inverted_uminv8i16(<8 x i16> %vec, i16 zeroext %min) {
+; CHECK-LABEL: inverted_uminv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u16 r0, q0
+; CHECK-NEXT: uxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umin.v8i16(<8 x i16> %vec)
+ %cmp = icmp ugt i16 %x, %min
+ %1 = select i1 %cmp, i16 %min, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @inverted_uminv4i32(<4 x i32> %vec, i32 %min) {
+; CHECK-LABEL: inverted_uminv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.u32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.umin.v4i32(<4 x i32> %vec)
+ %cmp = icmp ugt i32 %x, %min
+ %1 = select i1 %cmp, i32 %min, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @inverted_sminv16i8(<16 x i8> %vec, i8 signext %min) {
+; CHECK-LABEL: inverted_sminv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s8 r0, q0
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smin.v16i8(<16 x i8> %vec)
+ %cmp = icmp sgt i8 %x, %min
+ %1 = select i1 %cmp, i8 %min, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @inverted_sminv8i16(<8 x i16> %vec, i16 signext %min) {
+; CHECK-LABEL: inverted_sminv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s16 r0, q0
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smin.v8i16(<8 x i16> %vec)
+ %cmp = icmp sgt i16 %x, %min
+ %1 = select i1 %cmp, i16 %min, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @inverted_sminv4i32(<4 x i32> %vec, i32 %min) {
+; CHECK-LABEL: inverted_sminv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vminv.s32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32> %vec)
+ %cmp = icmp sgt i32 %x, %min
+ %1 = select i1 %cmp, i32 %min, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc zeroext i8 @inverted_umaxv16i8(<16 x i8> %vec, i8 zeroext %max) {
+; CHECK-LABEL: inverted_umaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u8 r0, q0
+; CHECK-NEXT: uxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> %vec)
+ %cmp = icmp ult i8 %x, %max
+ %1 = select i1 %cmp, i8 %max, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc zeroext i16 @inverted_umaxv8i16(<8 x i16> %vec, i16 zeroext %max) {
+; CHECK-LABEL: inverted_umaxv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u16 r0, q0
+; CHECK-NEXT: uxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> %vec)
+ %cmp = icmp ult i16 %x, %max
+ %1 = select i1 %cmp, i16 %max, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @inverted_umaxv4i32(<4 x i32> %vec, i32 %max) {
+; CHECK-LABEL: inverted_umaxv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.u32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> %vec)
+ %cmp = icmp ult i32 %x, %max
+ %1 = select i1 %cmp, i32 %max, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i8 @inverted_smaxv16i8(<16 x i8> %vec, i8 signext %max) {
+; CHECK-LABEL: inverted_smaxv16i8:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s8 r0, q0
+; CHECK-NEXT: sxtb r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8> %vec)
+ %cmp = icmp slt i8 %x, %max
+ %1 = select i1 %cmp, i8 %max, i8 %x
+ ret i8 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @inverted_smaxv8i16(<8 x i16> %vec, i16 signext %max) {
+; CHECK-LABEL: inverted_smaxv8i16:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s16 r0, q0
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smax.v8i16(<8 x i16> %vec)
+ %cmp = icmp slt i16 %x, %max
+ %1 = select i1 %cmp, i16 %max, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i32 @inverted_smaxv4i32(<4 x i32> %vec, i32 %max) {
+; CHECK-LABEL: inverted_smaxv4i32:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: vmaxv.s32 r0, q0
+; CHECK-NEXT: bx lr
+ %x = call i32 @llvm.experimental.vector.reduce.smax.v4i32(<4 x i32> %vec)
+ %cmp = icmp slt i32 %x, %max
+ %1 = select i1 %cmp, i32 %max, i32 %x
+ ret i32 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @trunc_and_sext(<8 x i16> %vec, i32 %max) #1 {
+; CHECK-LABEL: trunc_and_sext:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: movw r1, #32768
+; CHECK-NEXT: movt r1, #65535
+; CHECK-NEXT: vmaxv.s16 r1, q0
+; CHECK-NEXT: sxth r2, r1
+; CHECK-NEXT: cmp r0, r2
+; CHECK-NEXT: csel r0, r0, r1, gt
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.smax.v8i16(<8 x i16> %vec)
+ %xs = sext i16 %x to i32
+ %cmp = icmp sgt i32 %max, %xs
+ %mt = trunc i32 %max to i16
+ %1 = select i1 %cmp, i16 %mt, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc signext i16 @trunc_and_zext(<8 x i16> %vec, i32 %max) #1 {
+; CHECK-LABEL: trunc_and_zext:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: movs r1, #0
+; CHECK-NEXT: vmaxv.u16 r1, q0
+; CHECK-NEXT: uxth r2, r1
+; CHECK-NEXT: cmp r0, r2
+; CHECK-NEXT: csel r0, r0, r1, gt
+; CHECK-NEXT: sxth r0, r0
+; CHECK-NEXT: bx lr
+ %x = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> %vec)
+ %xs = zext i16 %x to i32
+ %cmp = icmp sgt i32 %max, %xs
+ %mt = trunc i32 %max to i16
+ %1 = select i1 %cmp, i16 %mt, i16 %x
+ ret i16 %1
+}
+
+define arm_aapcs_vfpcc i64 @uminv2i64(<2 x i64> %vec, i64 %min) {
+; CHECK-LABEL: uminv2i64:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: .save {r4, r5, r7, lr}
+; CHECK-NEXT: push {r4, r5, r7, lr}
+; CHECK-NEXT: vmov r12, s3
+; CHECK-NEXT: vmov lr, s1
+; CHECK-NEXT: vmov r2, s0
+; CHECK-NEXT: vmov r3, s2
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r4, r2, r3, lo
+; CHECK-NEXT: cmp r2, r3
+; CHECK-NEXT: csel r2, r2, r3, lo
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r5, r2, r4, eq
+; CHECK-NEXT: csel r3, lr, r12, lo
+; CHECK-NEXT: subs r2, r5, r0
+; CHECK-NEXT: mov.w r4, #0
+; CHECK-NEXT: sbcs.w r2, r3, r1
+; CHECK-NEXT: it lo
+; CHECK-NEXT: movlo r4, #1
+; CHECK-NEXT: cmp r4, #0
+; CHECK-NEXT: csel r0, r5, r0, ne
+; CHECK-NEXT: csel r1, r3, r1, ne
+; CHECK-NEXT: pop {r4, r5, r7, pc}
+ %x = call i64 @llvm.experimental.vector.reduce.umin.v2i64(<2 x i64> %vec)
+ %cmp = icmp ult i64 %x, %min
+ %1 = select i1 %cmp, i64 %x, i64 %min
+ ret i64 %1
+}
+
+define arm_aapcs_vfpcc i64 @sminv2i64(<2 x i64> %vec, i64 %min) {
+; CHECK-LABEL: sminv2i64:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: .save {r4, r5, r7, lr}
+; CHECK-NEXT: push {r4, r5, r7, lr}
+; CHECK-NEXT: vmov r12, s3
+; CHECK-NEXT: vmov lr, s1
+; CHECK-NEXT: vmov r2, s0
+; CHECK-NEXT: vmov r3, s2
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r4, r2, r3, lt
+; CHECK-NEXT: cmp r2, r3
+; CHECK-NEXT: csel r2, r2, r3, lo
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r5, r2, r4, eq
+; CHECK-NEXT: csel r3, lr, r12, lt
+; CHECK-NEXT: subs r2, r5, r0
+; CHECK-NEXT: mov.w r4, #0
+; CHECK-NEXT: sbcs.w r2, r3, r1
+; CHECK-NEXT: it lt
+; CHECK-NEXT: movlt r4, #1
+; CHECK-NEXT: cmp r4, #0
+; CHECK-NEXT: csel r0, r5, r0, ne
+; CHECK-NEXT: csel r1, r3, r1, ne
+; CHECK-NEXT: pop {r4, r5, r7, pc}
+ %x = call i64 @llvm.experimental.vector.reduce.smin.v2i64(<2 x i64> %vec)
+ %cmp = icmp slt i64 %x, %min
+ %1 = select i1 %cmp, i64 %x, i64 %min
+ ret i64 %1
+}
+
+define arm_aapcs_vfpcc i64 @umaxv2i64(<2 x i64> %vec, i64 %max) {
+; CHECK-LABEL: umaxv2i64:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: .save {r4, r5, r7, lr}
+; CHECK-NEXT: push {r4, r5, r7, lr}
+; CHECK-NEXT: vmov r12, s3
+; CHECK-NEXT: vmov lr, s1
+; CHECK-NEXT: vmov r2, s0
+; CHECK-NEXT: vmov r3, s2
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r4, r2, r3, hi
+; CHECK-NEXT: cmp r2, r3
+; CHECK-NEXT: csel r2, r2, r3, hi
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r5, r2, r4, eq
+; CHECK-NEXT: csel r3, lr, r12, hi
+; CHECK-NEXT: subs r2, r0, r5
+; CHECK-NEXT: mov.w r4, #0
+; CHECK-NEXT: sbcs.w r2, r1, r3
+; CHECK-NEXT: it lo
+; CHECK-NEXT: movlo r4, #1
+; CHECK-NEXT: cmp r4, #0
+; CHECK-NEXT: csel r0, r5, r0, ne
+; CHECK-NEXT: csel r1, r3, r1, ne
+; CHECK-NEXT: pop {r4, r5, r7, pc}
+ %x = call i64 @llvm.experimental.vector.reduce.umax.v2i64(<2 x i64> %vec)
+ %cmp = icmp ugt i64 %x, %max
+ %1 = select i1 %cmp, i64 %x, i64 %max
+ ret i64 %1
+}
+
+define arm_aapcs_vfpcc i64 @smaxv2i64(<2 x i64> %vec, i64 %max) {
+; CHECK-LABEL: smaxv2i64:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: .save {r4, r5, r7, lr}
+; CHECK-NEXT: push {r4, r5, r7, lr}
+; CHECK-NEXT: vmov r12, s3
+; CHECK-NEXT: vmov lr, s1
+; CHECK-NEXT: vmov r2, s0
+; CHECK-NEXT: vmov r3, s2
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r4, r2, r3, gt
+; CHECK-NEXT: cmp r2, r3
+; CHECK-NEXT: csel r2, r2, r3, hi
+; CHECK-NEXT: cmp lr, r12
+; CHECK-NEXT: csel r5, r2, r4, eq
+; CHECK-NEXT: csel r3, lr, r12, gt
+; CHECK-NEXT: subs r2, r0, r5
+; CHECK-NEXT: mov.w r4, #0
+; CHECK-NEXT: sbcs.w r2, r1, r3
+; CHECK-NEXT: it lt
+; CHECK-NEXT: movlt r4, #1
+; CHECK-NEXT: cmp r4, #0
+; CHECK-NEXT: csel r0, r5, r0, ne
+; CHECK-NEXT: csel r1, r3, r1, ne
+; CHECK-NEXT: pop {r4, r5, r7, pc}
+ %x = call i64 @llvm.experimental.vector.reduce.smax.v2i64(<2 x i64> %vec)
+ %cmp = icmp sgt i64 %x, %max
+ %1 = select i1 %cmp, i64 %x, i64 %max
+ ret i64 %1
+}
+
+declare i8 @llvm.experimental.vector.reduce.umin.v16i8(<16 x i8>)
+
+declare i16 @llvm.experimental.vector.reduce.umin.v8i16(<8 x i16>)
+
+declare i32 @llvm.experimental.vector.reduce.umin.v4i32(<4 x i32>)
+
+declare i64 @llvm.experimental.vector.reduce.umin.v2i64(<2 x i64>)
+
+declare i8 @llvm.experimental.vector.reduce.smin.v16i8(<16 x i8>)
+
+declare i16 @llvm.experimental.vector.reduce.smin.v8i16(<8 x i16>)
+
+declare i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32>)
+
+declare i64 @llvm.experimental.vector.reduce.smin.v2i64(<2 x i64>)
+
+declare i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8>)
+
+declare i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16>)
+
+declare i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32>)
+
+declare i64 @llvm.experimental.vector.reduce.umax.v2i64(<2 x i64>)
+
+declare i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8>)
+
+declare i16 @llvm.experimental.vector.reduce.smax.v8i16(<8 x i16>)
+
+declare i32 @llvm.experimental.vector.reduce.smax.v4i32(<4 x i32>)
+
+declare i64 @llvm.experimental.vector.reduce.smax.v2i64(<2 x i64>)
diff --git a/llvm/test/CodeGen/Thumb2/mve-vmaxv.ll b/llvm/test/CodeGen/Thumb2/mve-vmaxv.ll
index eca5f44..80c8ae6 100644
--- a/llvm/test/CodeGen/Thumb2/mve-vmaxv.ll
+++ b/llvm/test/CodeGen/Thumb2/mve-vmaxv.ll
@@ -140,12 +140,7 @@
define arm_aapcs_vfpcc i8 @vmaxv_s_v16i8_i8(<16 x i8> %s1, i8 %s2) {
; CHECK-LABEL: vmaxv_s_v16i8_i8:
; CHECK: @ %bb.0:
-; CHECK-NEXT: mvn r1, #127
-; CHECK-NEXT: sxtb r3, r0
-; CHECK-NEXT: vmaxv.s8 r1, q0
-; CHECK-NEXT: sxtb r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, gt
+; CHECK-NEXT: vmaxv.s8 r0, q0
; CHECK-NEXT: bx lr
%r = call i8 @llvm.experimental.vector.reduce.smax.v16i8(<16 x i8> %s1)
%c = icmp sgt i8 %r, %s2
@@ -172,13 +167,7 @@
define arm_aapcs_vfpcc i16 @vmaxv_s_v8i16_i16(<8 x i16> %s1, i16 %s2) {
; CHECK-LABEL: vmaxv_s_v8i16_i16:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movw r1, #32768
-; CHECK-NEXT: sxth r3, r0
-; CHECK-NEXT: movt r1, #65535
-; CHECK-NEXT: vmaxv.s16 r1, q0
-; CHECK-NEXT: sxth r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, gt
+; CHECK-NEXT: vmaxv.s16 r0, q0
; CHECK-NEXT: bx lr
%r = call i16 @llvm.experimental.vector.reduce.smax.v8i16(<8 x i16> %s1)
%c = icmp sgt i16 %r, %s2
@@ -206,10 +195,7 @@
define arm_aapcs_vfpcc i32 @vmaxv_s_v4i32_i32(<4 x i32> %s1, i32 %s2) {
; CHECK-LABEL: vmaxv_s_v4i32_i32:
; CHECK: @ %bb.0:
-; CHECK-NEXT: mov.w r1, #-2147483648
-; CHECK-NEXT: vmaxv.s32 r1, q0
-; CHECK-NEXT: cmp r1, r0
-; CHECK-NEXT: csel r0, r1, r0, gt
+; CHECK-NEXT: vmaxv.s32 r0, q0
; CHECK-NEXT: bx lr
%r = call i32 @llvm.experimental.vector.reduce.smax.v4i32(<4 x i32> %s1)
%c = icmp sgt i32 %r, %s2
@@ -220,12 +206,7 @@
define arm_aapcs_vfpcc i8 @vmaxv_u_v16i8_i8(<16 x i8> %s1, i8 %s2) {
; CHECK-LABEL: vmaxv_u_v16i8_i8:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movs r1, #0
-; CHECK-NEXT: uxtb r3, r0
-; CHECK-NEXT: vmaxv.u8 r1, q0
-; CHECK-NEXT: uxtb r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, hi
+; CHECK-NEXT: vmaxv.u8 r0, q0
; CHECK-NEXT: bx lr
%r = call i8 @llvm.experimental.vector.reduce.umax.v16i8(<16 x i8> %s1)
%c = icmp ugt i8 %r, %s2
@@ -252,12 +233,7 @@
define arm_aapcs_vfpcc i16 @vmaxv_u_v8i16_i16(<8 x i16> %s1, i16 %s2) {
; CHECK-LABEL: vmaxv_u_v8i16_i16:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movs r1, #0
-; CHECK-NEXT: uxth r3, r0
-; CHECK-NEXT: vmaxv.u16 r1, q0
-; CHECK-NEXT: uxth r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, hi
+; CHECK-NEXT: vmaxv.u16 r0, q0
; CHECK-NEXT: bx lr
%r = call i16 @llvm.experimental.vector.reduce.umax.v8i16(<8 x i16> %s1)
%c = icmp ugt i16 %r, %s2
@@ -284,10 +260,7 @@
define arm_aapcs_vfpcc i32 @vmaxv_u_v4i32_i32(<4 x i32> %s1, i32 %s2) {
; CHECK-LABEL: vmaxv_u_v4i32_i32:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movs r1, #0
-; CHECK-NEXT: vmaxv.u32 r1, q0
-; CHECK-NEXT: cmp r1, r0
-; CHECK-NEXT: csel r0, r1, r0, hi
+; CHECK-NEXT: vmaxv.u32 r0, q0
; CHECK-NEXT: bx lr
%r = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> %s1)
%c = icmp ugt i32 %r, %s2
@@ -298,12 +271,7 @@
define arm_aapcs_vfpcc i8 @vminv_s_v16i8_i8(<16 x i8> %s1, i8 %s2) {
; CHECK-LABEL: vminv_s_v16i8_i8:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movs r1, #127
-; CHECK-NEXT: sxtb r3, r0
-; CHECK-NEXT: vminv.s8 r1, q0
-; CHECK-NEXT: sxtb r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, lt
+; CHECK-NEXT: vminv.s8 r0, q0
; CHECK-NEXT: bx lr
%r = call i8 @llvm.experimental.vector.reduce.smin.v16i8(<16 x i8> %s1)
%c = icmp slt i8 %r, %s2
@@ -330,12 +298,7 @@
define arm_aapcs_vfpcc i16 @vminv_s_v8i16_i16(<8 x i16> %s1, i16 %s2) {
; CHECK-LABEL: vminv_s_v8i16_i16:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movw r1, #32767
-; CHECK-NEXT: sxth r3, r0
-; CHECK-NEXT: vminv.s16 r1, q0
-; CHECK-NEXT: sxth r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, lt
+; CHECK-NEXT: vminv.s16 r0, q0
; CHECK-NEXT: bx lr
%r = call i16 @llvm.experimental.vector.reduce.smin.v8i16(<8 x i16> %s1)
%c = icmp slt i16 %r, %s2
@@ -362,10 +325,7 @@
define arm_aapcs_vfpcc i32 @vminv_s_v4i32_i32(<4 x i32> %s1, i32 %s2) {
; CHECK-LABEL: vminv_s_v4i32_i32:
; CHECK: @ %bb.0:
-; CHECK-NEXT: mvn r1, #-2147483648
-; CHECK-NEXT: vminv.s32 r1, q0
-; CHECK-NEXT: cmp r1, r0
-; CHECK-NEXT: csel r0, r1, r0, lt
+; CHECK-NEXT: vminv.s32 r0, q0
; CHECK-NEXT: bx lr
%r = call i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32> %s1)
%c = icmp slt i32 %r, %s2
@@ -376,12 +336,7 @@
define arm_aapcs_vfpcc i8 @vminv_u_v16i8_i8(<16 x i8> %s1, i8 %s2) {
; CHECK-LABEL: vminv_u_v16i8_i8:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movs r1, #255
-; CHECK-NEXT: uxtb r3, r0
-; CHECK-NEXT: vminv.u8 r1, q0
-; CHECK-NEXT: uxtb r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, lo
+; CHECK-NEXT: vminv.u8 r0, q0
; CHECK-NEXT: bx lr
%r = call i8 @llvm.experimental.vector.reduce.umin.v16i8(<16 x i8> %s1)
%c = icmp ult i8 %r, %s2
@@ -408,12 +363,7 @@
define arm_aapcs_vfpcc i16 @vminv_u_v8i16_i16(<8 x i16> %s1, i16 %s2) {
; CHECK-LABEL: vminv_u_v8i16_i16:
; CHECK: @ %bb.0:
-; CHECK-NEXT: movw r1, #65535
-; CHECK-NEXT: uxth r3, r0
-; CHECK-NEXT: vminv.u16 r1, q0
-; CHECK-NEXT: uxth r2, r1
-; CHECK-NEXT: cmp r2, r3
-; CHECK-NEXT: csel r0, r1, r0, lo
+; CHECK-NEXT: vminv.u16 r0, q0
; CHECK-NEXT: bx lr
%r = call i16 @llvm.experimental.vector.reduce.umin.v8i16(<8 x i16> %s1)
%c = icmp ult i16 %r, %s2
@@ -440,10 +390,7 @@
define arm_aapcs_vfpcc i32 @vminv_u_v4i32_i32(<4 x i32> %s1, i32 %s2) {
; CHECK-LABEL: vminv_u_v4i32_i32:
; CHECK: @ %bb.0:
-; CHECK-NEXT: mov.w r1, #-1
-; CHECK-NEXT: vminv.u32 r1, q0
-; CHECK-NEXT: cmp r1, r0
-; CHECK-NEXT: csel r0, r1, r0, lo
+; CHECK-NEXT: vminv.u32 r0, q0
; CHECK-NEXT: bx lr
%r = call i32 @llvm.experimental.vector.reduce.umin.v4i32(<4 x i32> %s1)
%c = icmp ult i32 %r, %s2