[AMDGPU] Promote uniform (i1, i16] operations to i32
Differential Revision: https://reviews.llvm.org/D25302
llvm-svn: 283555
diff --git a/llvm/test/CodeGen/AMDGPU/ctlz.ll b/llvm/test/CodeGen/AMDGPU/ctlz.ll
index c5c5549..292ea34 100644
--- a/llvm/test/CodeGen/AMDGPU/ctlz.ll
+++ b/llvm/test/CodeGen/AMDGPU/ctlz.ll
@@ -228,12 +228,15 @@
ret void
}
+; FIXME: Need to handle non-uniform case for function below (load without gep).
; FUNC-LABEL: {{^}}v_ctlz_i8_sel_eq_neg1:
-; GCN: buffer_load_ubyte [[VAL:v[0-9]+]],
+; GCN: {{buffer|flat}}_load_ubyte [[VAL:v[0-9]+]],
; GCN: v_ffbh_u32_e32 [[FFBH:v[0-9]+]], [[VAL]]
-; GCN: buffer_store_byte [[FFBH]],
+; GCN: {{buffer|flat}}_store_byte [[FFBH]],
define void @v_ctlz_i8_sel_eq_neg1(i8 addrspace(1)* noalias %out, i8 addrspace(1)* noalias %valptr) nounwind {
- %val = load i8, i8 addrspace(1)* %valptr
+ %tid = call i32 @llvm.r600.read.tidig.x()
+ %valptr.gep = getelementptr i8, i8 addrspace(1)* %valptr, i32 %tid
+ %val = load i8, i8 addrspace(1)* %valptr.gep
%ctlz = call i8 @llvm.ctlz.i8(i8 %val, i1 false) nounwind readnone
%cmp = icmp eq i8 %val, 0
%sel = select i1 %cmp, i8 -1, i8 %ctlz
@@ -254,13 +257,16 @@
ret void
}
+; FIXME: Need to handle non-uniform case for function below (load without gep).
; FUNC-LABEL: {{^}}v_ctlz_i7_sel_eq_neg1:
-; GCN: buffer_load_ubyte [[VAL:v[0-9]+]],
+; GCN: {{buffer|flat}}_load_ubyte [[VAL:v[0-9]+]],
; GCN: v_ffbh_u32_e32 [[FFBH:v[0-9]+]], [[VAL]]
; GCN: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0x7f, [[FFBH]]
-; GCN: buffer_store_byte [[TRUNC]],
- define void @v_ctlz_i7_sel_eq_neg1(i7 addrspace(1)* noalias %out, i7 addrspace(1)* noalias %valptr) nounwind {
- %val = load i7, i7 addrspace(1)* %valptr
+; GCN: {{buffer|flat}}_store_byte [[TRUNC]],
+define void @v_ctlz_i7_sel_eq_neg1(i7 addrspace(1)* noalias %out, i7 addrspace(1)* noalias %valptr) nounwind {
+ %tid = call i32 @llvm.r600.read.tidig.x()
+ %valptr.gep = getelementptr i7, i7 addrspace(1)* %valptr, i32 %tid
+ %val = load i7, i7 addrspace(1)* %valptr.gep
%ctlz = call i7 @llvm.ctlz.i7(i7 %val, i1 false) nounwind readnone
%cmp = icmp eq i7 %val, 0
%sel = select i1 %cmp, i7 -1, i7 %ctlz