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7eba65d30c
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282832 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
1.2 KiB
LLVM
28 lines
1.2 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; FIXME: This should go in existing select.ll test, except the current testcase there is broken on SI
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; FUNC-LABEL: {{^}}select_i1:
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; SI: v_cndmask_b32
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; SI-NOT: v_cndmask_b32
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define void @select_i1(i1 addrspace(1)* %out, i32 %cond, i1 %a, i1 %b) nounwind {
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%cmp = icmp ugt i32 %cond, 5
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%sel = select i1 %cmp, i1 %a, i1 %b
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store i1 %sel, i1 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}s_minmax_i1:
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; SI-DAG: buffer_load_ubyte [[COND:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:44
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; SI-DAG: buffer_load_ubyte [[A:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:45
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; SI-DAG: buffer_load_ubyte [[B:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:46
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; SI: v_cmp_eq_u32_e32 vcc, 1, [[COND]]
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; SI: v_cndmask_b32_e32 v{{[0-9]+}}, [[B]], [[A]]
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define void @s_minmax_i1(i1 addrspace(1)* %out, i1 zeroext %cond, i1 zeroext %a, i1 zeroext %b) nounwind {
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%cmp = icmp slt i1 %cond, false
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%sel = select i1 %cmp, i1 %a, i1 %b
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store i1 %sel, i1 addrspace(1)* %out, align 4
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ret void
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}
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