[Hexagon] Generate HVX code for vector construction and access
Support for:
- build vector,
- extract vector element, subvector,
- insert vector element, subvector,
- shuffle.
llvm-svn: 319901
diff --git a/llvm/test/CodeGen/Hexagon/autohvx/extract-element.ll b/llvm/test/CodeGen/Hexagon/autohvx/extract-element.ll
new file mode 100644
index 0000000..10d8822
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/autohvx/extract-element.ll
@@ -0,0 +1,73 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+; Check that extract-element is handled.
+
+; CHECK-LABEL: ext_00:
+; CHECK: r[[R000:[0-9]+]] = and(r0,#3)
+; CHECK: r[[R001:[0-9]+]] = vextract(v0,r0)
+; CHECK-DAG: r[[R002:[0-9]+]] = asl(r[[R000]],#3)
+; CHECK-DAG: r[[R003:[0-9]+]] = #8
+; CHECK: r0 = extractu(r[[R001]],r[[R003]]:[[R002]])
+define i8 @ext_00(<64 x i8> %a0, i32 %a1) #0 {
+b2:
+ %v3 = extractelement <64 x i8> %a0, i32 %a1
+ ret i8 %v3
+}
+
+; CHECK-LABEL: ext_10:
+; CHECK: r[[R100:[0-9]+]] = and(r0,#3)
+; CHECK: r[[R101:[0-9]+]] = vextract(v0,r0)
+; CHECK-DAG: r[[R102:[0-9]+]] = asl(r[[R100]],#3)
+; CHECK-DAG: r[[R103:[0-9]+]] = #8
+; CHECK: r0 = extractu(r[[R101]],r[[R103]]:[[R102]])
+define i8 @ext_10(<128 x i8> %a0, i32 %a1) #1 {
+b2:
+ %v3 = extractelement <128 x i8> %a0, i32 %a1
+ ret i8 %v3
+}
+
+; CHECK-LABEL: ext_01:
+; CHECK-DAG: r[[R010:[0-9]+]] = asl(r0,#1)
+; CHECK-DAG: r[[R011:[0-9]+]] = and(r0,#1)
+; CHECK-DAG: r[[R012:[0-9]+]] = #16
+; CHECK: r[[R013:[0-9]+]] = asl(r[[R011]],#4)
+; CHECK: r[[R014:[0-9]+]] = vextract(v0,r[[R010]])
+; CHECK: r0 = extractu(r[[R014]],r[[R012]]:[[R013]])
+define i16 @ext_01(<32 x i16> %a0, i32 %a1) #0 {
+b2:
+ %v3 = extractelement <32 x i16> %a0, i32 %a1
+ ret i16 %v3
+}
+
+; CHECK-LABEL: ext_11:
+; CHECK-DAG: r[[R110:[0-9]+]] = asl(r0,#1)
+; CHECK-DAG: r[[R111:[0-9]+]] = and(r0,#1)
+; CHECK-DAG: r[[R112:[0-9]+]] = #16
+; CHECK: r[[R113:[0-9]+]] = asl(r[[R111]],#4)
+; CHECK: r[[R114:[0-9]+]] = vextract(v0,r[[R110]])
+; CHECK: r0 = extractu(r[[R114]],r[[R112]]:[[R113]])
+define i16 @ext_11(<64 x i16> %a0, i32 %a1) #1 {
+b2:
+ %v3 = extractelement <64 x i16> %a0, i32 %a1
+ ret i16 %v3
+}
+
+; CHECK-LABEL: ext_02:
+; CHECK: [[R020:r[0-9]+]] = asl(r0,#2)
+; CHECK: r0 = vextract(v0,[[R020]])
+define i32 @ext_02(<16 x i32> %a0, i32 %a1) #0 {
+b2:
+ %v3 = extractelement <16 x i32> %a0, i32 %a1
+ ret i32 %v3
+}
+
+; CHECK-LABEL: ext_12:
+; CHECK: [[R120:r[0-9]+]] = asl(r0,#2)
+; CHECK: r0 = vextract(v0,[[R120]])
+define i32 @ext_12(<32 x i32> %a0, i32 %a1) #1 {
+b2:
+ %v3 = extractelement <32 x i32> %a0, i32 %a1
+ ret i32 %v3
+}
+
+attributes #0 = { nounwind readnone "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b" }
+attributes #1 = { nounwind readnone "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length128b" }