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Diffstat (limited to 'test/CodeGen/AMDGPU/llvm.AMDGPU.umin.ll')
-rw-r--r-- | test/CodeGen/AMDGPU/llvm.AMDGPU.umin.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/llvm.AMDGPU.umin.ll b/test/CodeGen/AMDGPU/llvm.AMDGPU.umin.ll new file mode 100644 index 000000000000..2acd10e0c631 --- /dev/null +++ b/test/CodeGen/AMDGPU/llvm.AMDGPU.umin.ll @@ -0,0 +1,48 @@ +; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck -check-prefix=SI %s +; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck -check-prefix=SI %s + +; SI-LABEL: {{^}}vector_umin: +; SI: v_min_u32_e32 +define void @vector_umin(i32 %p0, i32 %p1, i32 addrspace(1)* %in) #0 { +main_body: + %load = load i32, i32 addrspace(1)* %in, align 4 + %min = call i32 @llvm.AMDGPU.umin(i32 %p0, i32 %load) + %bc = bitcast i32 %min to float + call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc) + ret void +} + +; SI-LABEL: {{^}}scalar_umin: +; SI: s_min_u32 +define void @scalar_umin(i32 %p0, i32 %p1) #0 { +entry: + %min = call i32 @llvm.AMDGPU.umin(i32 %p0, i32 %p1) + %bc = bitcast i32 %min to float + call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %bc, float %bc, float %bc, float %bc) + ret void +} + +; SI-LABEL: {{^}}trunc_zext_umin: +; SI: buffer_load_ubyte [[VREG:v[0-9]+]], +; SI: v_min_u32_e32 [[RESULT:v[0-9]+]], 0, [[VREG]] +; SI-NOT: and +; SI: buffer_store_short [[RESULT]], +define void @trunc_zext_umin(i16 addrspace(1)* nocapture %out, i8 addrspace(1)* nocapture %src) nounwind { + %tmp5 = load i8, i8 addrspace(1)* %src, align 1 + %tmp2 = zext i8 %tmp5 to i32 + %tmp3 = tail call i32 @llvm.AMDGPU.umin(i32 %tmp2, i32 0) nounwind readnone + %tmp4 = trunc i32 %tmp3 to i8 + %tmp6 = zext i8 %tmp4 to i16 + store i16 %tmp6, i16 addrspace(1)* %out, align 2 + ret void +} + +; Function Attrs: readnone +declare i32 @llvm.AMDGPU.umin(i32, i32) #1 + +declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float) + +attributes #0 = { nounwind } +attributes #1 = { nounwind readnone } + +!0 = !{!"const", null, i32 1} |