; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -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; ; } define i32 @bar(double* nocapture %A, i32 %d) { ; CHECK-LABEL: @bar( ; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>* ; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = fptrunc <2 x double> [[TMP2]] to <2 x float> ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[D:%.*]], 0 ; CHECK-NEXT: br i1 [[TMP4]], label [[TMP7:%.*]], label [[TMP5:%.*]] ; CHECK: 5: ; CHECK-NEXT: [[TMP6:%.*]] = tail call i32 (...) @foo() ; CHECK-NEXT: br label [[TMP7]] ; CHECK: 7: ; CHECK-NEXT: [[TMP8:%.*]] = fadd <2 x float> [[TMP3]], <float 4.000000e+00, float 5.000000e+00> ; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds double, double* [[A]], i64 8 ; CHECK-NEXT: [[TMP10:%.*]] = fpext <2 x float> [[TMP8]] to <2 x double> ; CHECK-NEXT: [[TMP11:%.*]] = fadd <2 x double> [[TMP10]], <double 9.000000e+00, double 5.000000e+00> ; CHECK-NEXT: [[TMP12:%.*]] = bitcast double* [[TMP9]] to <2 x double>* ; CHECK-NEXT: store <2 x double> [[TMP11]], <2 x double>* [[TMP12]], align 8 ; CHECK-NEXT: ret i32 undef ; %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(...)