1 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 2 3 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" 4 target triple = "x86_64-apple-macosx10.7.0" 5 6 ; int bar(double *A, int d) { 7 ; double A0 = A[0]; 8 ; double A1 = A[1]; 9 ; float F0 = A0; 10 ; float F1 = A1; 11 ; if (d) foo(); <----- This splits the blocks 12 ; F0+=4.0; 13 ; F1+=5.0; 14 ; A[8] = 9.0 + F0; 15 ; A[9] = 5.0 + F1; 16 ; } 17 18 19 ;CHECK-LABEL: @bar( 20 ;CHECK: load <2 x double> 21 ;CHECK: fptrunc <2 x double> 22 ;CHECK: call i32 23 ;CHECK: fadd <2 x float> 24 ;CHECK: fpext <2 x float> 25 ;CHECK: store <2 x double> 26 ;CHECK: ret 27 define i32 @bar(double* nocapture %A, i32 %d) { 28 %1 = load double, double* %A, align 8 29 %2 = getelementptr inbounds double, double* %A, i64 1 30 %3 = load double, double* %2, align 8 31 %4 = fptrunc double %1 to float 32 %5 = fptrunc double %3 to float 33 %6 = icmp eq i32 %d, 0 34 br i1 %6, label %9, label %7 35 36 ; <label>:7 ; preds = %0 37 %8 = tail call i32 (...) @foo() 38 br label %9 39 40 ; <label>:9 ; preds = %0, %7 41 %10 = fadd float %4, 4.000000e+00 42 %11 = fadd float %5, 5.000000e+00 43 %12 = fpext float %10 to double 44 %13 = fadd double %12, 9.000000e+00 45 %14 = getelementptr inbounds double, double* %A, i64 8 46 store double %13, double* %14, align 8 47 %15 = fpext float %11 to double 48 %16 = fadd double %15, 5.000000e+00 49 %17 = getelementptr inbounds double, double* %A, i64 9 50 store double %16, double* %17, align 8 51 ret i32 undef 52 } 53 54 declare i32 @foo(...) 55 56
