forked from OSchip/llvm-project
42 lines
1.8 KiB
LLVM
42 lines
1.8 KiB
LLVM
; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
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; FUNC-LABEL: @v_test_imax3_sgt_i32
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; SI: v_max3_i32
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define void @v_test_imax3_sgt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
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%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
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%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
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%gep2 = getelementptr i32, i32 addrspace(1)* %cptr, i32 %tid
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%outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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%a = load i32, i32 addrspace(1)* %gep0, align 4
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%b = load i32, i32 addrspace(1)* %gep1, align 4
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%c = load i32, i32 addrspace(1)* %gep2, align 4
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%icmp0 = icmp sgt i32 %a, %b
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%i0 = select i1 %icmp0, i32 %a, i32 %b
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%icmp1 = icmp sgt i32 %i0, %c
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%i1 = select i1 %icmp1, i32 %i0, i32 %c
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store i32 %i1, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: @v_test_umax3_ugt_i32
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; SI: v_max3_u32
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define void @v_test_umax3_ugt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
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%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
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%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
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%gep2 = getelementptr i32, i32 addrspace(1)* %cptr, i32 %tid
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%outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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%a = load i32, i32 addrspace(1)* %gep0, align 4
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%b = load i32, i32 addrspace(1)* %gep1, align 4
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%c = load i32, i32 addrspace(1)* %gep2, align 4
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%icmp0 = icmp ugt i32 %a, %b
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%i0 = select i1 %icmp0, i32 %a, i32 %b
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%icmp1 = icmp ugt i32 %i0, %c
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%i1 = select i1 %icmp1, i32 %i0, i32 %c
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store i32 %i1, i32 addrspace(1)* %out, align 4
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ret void
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}
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