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3a9a1ac61b
For some reason there are both of these available, except for scalar 64-bit compares which only has u64. I'm not sure why there are both (I'm guessing it's for the one bit inputs we don't use), but for consistency always using the unsigned one. llvm-svn: 282832
81 lines
2.2 KiB
LLVM
81 lines
2.2 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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; FUNC-LABEL: {{^}}test_a:
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; EG-NOT: CND
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; EG: SET{{[NEQGTL]+}}_DX10
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define void @test_a(i32 addrspace(1)* %out, float %in) {
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entry:
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%0 = fcmp olt float %in, 0.000000e+00
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%1 = select i1 %0, float 1.000000e+00, float 0.000000e+00
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%2 = fsub float -0.000000e+00, %1
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%3 = fptosi float %2 to i32
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%4 = bitcast i32 %3 to float
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%5 = bitcast float %4 to i32
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%6 = icmp ne i32 %5, 0
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br i1 %6, label %IF, label %ENDIF
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IF:
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%7 = getelementptr i32, i32 addrspace(1)* %out, i32 1
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store i32 0, i32 addrspace(1)* %7
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br label %ENDIF
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ENDIF:
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store i32 0, i32 addrspace(1)* %out
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ret void
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}
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; Same as test_a, but the branch labels are swapped to produce the inverse cc
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; for the icmp instruction
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; EG-LABEL: {{^}}test_b:
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; EG: SET{{[GTEQN]+}}_DX10
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; EG-NEXT: PRED_
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; EG-NEXT: ALU clause starting
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define void @test_b(i32 addrspace(1)* %out, float %in) {
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entry:
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%0 = fcmp olt float %in, 0.0
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%1 = select i1 %0, float 1.000000e+00, float 0.000000e+00
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%2 = fsub float -0.000000e+00, %1
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%3 = fptosi float %2 to i32
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%4 = bitcast i32 %3 to float
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%5 = bitcast float %4 to i32
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%6 = icmp ne i32 %5, 0
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br i1 %6, label %ENDIF, label %IF
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IF:
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%7 = getelementptr i32, i32 addrspace(1)* %out, i32 1
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store i32 0, i32 addrspace(1)* %7
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br label %ENDIF
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ENDIF:
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store i32 0, i32 addrspace(1)* %out
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ret void
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}
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; Test a CND*_INT instruction with float true/false values
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; EG-LABEL: {{^}}test_c:
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; EG: CND{{[GTE]+}}_INT
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define void @test_c(float addrspace(1)* %out, i32 %in) {
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entry:
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%0 = icmp sgt i32 %in, 0
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%1 = select i1 %0, float 2.0, float 3.0
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store float %1, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}selectcc_bool:
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; SI: v_cmp_ne_u32
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; SI-NEXT: v_cndmask_b32_e64
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; SI-NOT: cmp
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; SI-NOT: cndmask
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define void @selectcc_bool(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
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%icmp0 = icmp ne i32 %a, %b
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%ext = select i1 %icmp0, i32 -1, i32 0
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store i32 %ext, i32 addrspace(1)* %out
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ret void
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}
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