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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
38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
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; SI-LABEL: {{^}}br_i1_phi:
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; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
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; SI: s_and_saveexec_b64
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; SI: s_xor_b64
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; SI: v_mov_b32_e32 [[REG]], -1{{$}}
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; SI: v_cmp_ne_u32_e32 vcc, 0, [[REG]]
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; SI: s_and_saveexec_b64
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; SI: s_xor_b64
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; SI: s_endpgm
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define void @br_i1_phi(i32 %arg) {
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bb:
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%tidig = call i32 @llvm.r600.read.tidig.x() #0
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%cmp = trunc i32 %tidig to i1
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br i1 %cmp, label %bb2, label %bb3
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bb2: ; preds = %bb
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br label %bb3
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bb3: ; preds = %bb2, %bb
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%tmp = phi i1 [ true, %bb2 ], [ false, %bb ]
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br i1 %tmp, label %bb4, label %bb6
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bb4: ; preds = %bb3
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%val = load volatile i32, i32 addrspace(1)* undef
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%tmp5 = mul i32 %val, %arg
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br label %bb6
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bb6: ; preds = %bb4, %bb3
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ret void
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}
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declare i32 @llvm.r600.read.tidig.x() #0
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attributes #0 = { readnone }
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