1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 3 4target 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" 5target triple = "x86_64-apple-macosx10.7.0" 6 7; int bar(double *A, int d) { 8; double A0 = A[0]; 9; double A1 = A[1]; 10; float F0 = A0; 11; float F1 = A1; 12; if (d) foo(); <----- This splits the blocks 13; F0+=4.0; 14; F1+=5.0; 15; A[8] = 9.0 + F0; 16; A[9] = 5.0 + F1; 17; } 18 19 20define i32 @bar(double* nocapture %A, i32 %d) { 21; CHECK-LABEL: @bar( 22; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>* 23; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8 24; CHECK-NEXT: [[TMP3:%.*]] = fptrunc <2 x double> [[TMP2]] to <2 x float> 25; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[D:%.*]], 0 26; CHECK-NEXT: br i1 [[TMP4]], label [[TMP7:%.*]], label [[TMP5:%.*]] 27; CHECK: [[TMP6:%.*]] = tail call i32 (...) @foo() 28; CHECK-NEXT: br label [[TMP7]] 29; CHECK: [[TMP8:%.*]] = fadd <2 x float> [[TMP3]], <float 4.000000e+00, float 5.000000e+00> 30; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds double, double* [[A]], i64 8 31; CHECK-NEXT: [[TMP10:%.*]] = fpext <2 x float> [[TMP8]] to <2 x double> 32; CHECK-NEXT: [[TMP11:%.*]] = fadd <2 x double> [[TMP10]], <double 9.000000e+00, double 5.000000e+00> 33; CHECK-NEXT: [[TMP12:%.*]] = bitcast double* [[TMP9]] to <2 x double>* 34; CHECK-NEXT: store <2 x double> [[TMP11]], <2 x double>* [[TMP12]], align 8 35; CHECK-NEXT: ret i32 undef 36; 37 %1 = load double, double* %A, align 8 38 %2 = getelementptr inbounds double, double* %A, i64 1 39 %3 = load double, double* %2, align 8 40 %4 = fptrunc double %1 to float 41 %5 = fptrunc double %3 to float 42 %6 = icmp eq i32 %d, 0 43 br i1 %6, label %9, label %7 44 45; <label>:7 ; preds = %0 46 %8 = tail call i32 (...) @foo() 47 br label %9 48 49; <label>:9 ; preds = %0, %7 50 %10 = fadd float %4, 4.000000e+00 51 %11 = fadd float %5, 5.000000e+00 52 %12 = fpext float %10 to double 53 %13 = fadd double %12, 9.000000e+00 54 %14 = getelementptr inbounds double, double* %A, i64 8 55 store double %13, double* %14, align 8 56 %15 = fpext float %11 to double 57 %16 = fadd double %15, 5.000000e+00 58 %17 = getelementptr inbounds double, double* %A, i64 9 59 store double %16, double* %17, align 8 60 ret i32 undef 61} 62 63declare i32 @foo(...) 64 65