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4a2f107b04
Canonicallize on the non-suffixed form, but continue to accept assembly that has any correctly sized type suffix. llvm-svn: 144583
43 lines
2.3 KiB
LLVM
43 lines
2.3 KiB
LLVM
; RUN: llc < %s -O3 -relocation-model=pic -mattr=+thumb2 -mcpu=cortex-a8 -disable-branch-fold | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
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target triple = "thumbv7-apple-darwin10"
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; This is a case where the coalescer was too eager. These two copies were
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; considered equivalent and coalescable:
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;
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; 140 %reg1038:dsub_0<def> = VMOVD %reg1047:dsub_0, pred:14, pred:%reg0
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; 148 %reg1038:dsub_1<def> = VMOVD %reg1047:dsub_0, pred:14, pred:%reg0
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;
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; Only one can be coalesced.
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@.str = private constant [7 x i8] c"%g %g\0A\00", align 4 ; <[7 x i8]*> [#uses=1]
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define i32 @main(i32 %argc, i8** nocapture %Argv) nounwind {
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entry:
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%0 = icmp eq i32 %argc, 2123 ; <i1> [#uses=1]
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%U.0 = select i1 %0, double 3.282190e+01, double 8.731834e+02 ; <double> [#uses=2]
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%1 = icmp eq i32 %argc, 5123 ; <i1> [#uses=1]
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%V.0.ph = select i1 %1, double 7.779980e+01, double 0x409CCB9C779A6B51 ; <double> [#uses=1]
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%2 = insertelement <2 x double> undef, double %U.0, i32 0 ; <<2 x double>> [#uses=2]
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%3 = insertelement <2 x double> %2, double %U.0, i32 1 ; <<2 x double>> [#uses=2]
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%4 = insertelement <2 x double> %2, double %V.0.ph, i32 1 ; <<2 x double>> [#uses=2]
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; Constant pool load followed by add.
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; Then clobber the loaded register, not the sum.
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; CHECK: vldr [[LDR:d.*]],
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; CHECK: LPC0_0:
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; CHECK: vadd.f64 [[ADD:d.*]], [[LDR]], [[LDR]]
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; CHECK-NOT: vmov.f64 [[ADD]]
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%5 = fadd <2 x double> %3, %3 ; <<2 x double>> [#uses=2]
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%6 = fadd <2 x double> %4, %4 ; <<2 x double>> [#uses=2]
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%tmp7 = extractelement <2 x double> %5, i32 0 ; <double> [#uses=1]
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%tmp5 = extractelement <2 x double> %5, i32 1 ; <double> [#uses=1]
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; CHECK: printf
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%7 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0), double %tmp7, double %tmp5) nounwind ; <i32> [#uses=0]
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%tmp3 = extractelement <2 x double> %6, i32 0 ; <double> [#uses=1]
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%tmp1 = extractelement <2 x double> %6, i32 1 ; <double> [#uses=1]
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%8 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0), double %tmp3, double %tmp1) nounwind ; <i32> [#uses=0]
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ret i32 0
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}
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declare i32 @printf(i8* nocapture, ...) nounwind
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