forked from OSchip/llvm-project
56 lines
1.6 KiB
LLVM
56 lines
1.6 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.7.0"
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; int bar(double *A, int d) {
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; double A0 = A[0];
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; double A1 = A[1];
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; float F0 = A0;
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; float F1 = A1;
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; if (d) foo(); <----- This splits the blocks
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; F0+=4.0;
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; F1+=5.0;
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; A[8] = 9.0 + F0;
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; A[9] = 5.0 + F1;
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; }
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;CHECK-LABEL: @bar(
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;CHECK: load <2 x double>
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;CHECK: fptrunc <2 x double>
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;CHECK: call i32
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;CHECK: fadd <2 x float>
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;CHECK: fpext <2 x float>
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;CHECK: store <2 x double>
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;CHECK: ret
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define i32 @bar(double* nocapture %A, i32 %d) {
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%1 = load double, double* %A, align 8
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%2 = getelementptr inbounds double, double* %A, i64 1
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%3 = load double, double* %2, align 8
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%4 = fptrunc double %1 to float
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%5 = fptrunc double %3 to float
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%6 = icmp eq i32 %d, 0
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br i1 %6, label %9, label %7
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; <label>:7 ; preds = %0
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%8 = tail call i32 (...) @foo()
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br label %9
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; <label>:9 ; preds = %0, %7
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%10 = fadd float %4, 4.000000e+00
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%11 = fadd float %5, 5.000000e+00
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%12 = fpext float %10 to double
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%13 = fadd double %12, 9.000000e+00
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%14 = getelementptr inbounds double, double* %A, i64 8
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store double %13, double* %14, align 8
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%15 = fpext float %11 to double
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%16 = fadd double %15, 5.000000e+00
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%17 = getelementptr inbounds double, double* %A, i64 9
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store double %16, double* %17, align 8
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ret i32 undef
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}
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declare i32 @foo(...)
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