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