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699d18eb82
Fix assert about using an undefined physical register in machine instruction verify pass. The reason is that register flag undef is missing when doing transformation from If Conversion Pass. ``` Bad machine code: Using an undefined physical register - function: func_65 - basic block: %bb.0 entry (0x10024740738) - instruction: BCLR killed $cr5lt, implicit $lr8, implicit $rm, implicit undef $x3 - operand 0: killed $cr5lt LLVM ERROR: Found 1 machine code errors. ``` There are also other existing testcases with same issue. So I add -verify-machineinstrs option to open verifying. Differential Revision: https://reviews.llvm.org/D55408 llvm-svn: 348566
41 lines
1.7 KiB
LLVM
41 lines
1.7 KiB
LLVM
; RUN: llc < %s -verify-machineinstrs | FileCheck %s
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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; Function Attrs: nounwind
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define void @__fmax_double3_3D_exec(<3 x double> %input1, <3 x i64> %input2,
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<3 x i1> %input3, <3 x i64> %input4,
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<3 x i64> %input5, <4 x double>* %input6) #0 {
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entry:
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br i1 undef, label %if.then.i, label %fmax_double3.exit
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if.then.i: ; preds = %entry
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%cmp24.i.i = fcmp ord <3 x double> %input1, zeroinitializer
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%sext25.i.i = sext <3 x i1> %cmp24.i.i to <3 x i64>
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%neg.i.i = xor <3 x i64> %sext25.i.i, <i64 -1, i64 -1, i64 -1>
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%or.i.i = or <3 x i64> %input2, %neg.i.i
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%neg.i.i.i = select <3 x i1> %input3, <3 x i64> zeroinitializer, <3 x i64> %sext25.i.i
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%and.i.i.i = and <3 x i64> %input4, %neg.i.i.i
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%and26.i.i.i = and <3 x i64> %input5, %or.i.i
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%or.i.i.i = or <3 x i64> %and.i.i.i, %and26.i.i.i
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%astype32.i.i.i = bitcast <3 x i64> %or.i.i.i to <3 x double>
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%extractVec33.i.i.i = shufflevector <3 x double> %astype32.i.i.i, <3 x double> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 undef>
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store <4 x double> %extractVec33.i.i.i, <4 x double>* %input6, align 32
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br label %fmax_double3.exit
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; CHECK-LABEL: @__fmax_double3_3D_exec
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; CHECK: xvcmpeqdp
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fmax_double3.exit: ; preds = %if.then.i, %entry
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br i1 undef, label %if.then, label %do.end
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if.then: ; preds = %fmax_double3.exit
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unreachable
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do.end: ; preds = %fmax_double3.exit
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ret void
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}
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attributes #0 = { nounwind }
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