1 ; RUN: opt < %s -O1 -S -enable-non-lto-gmr=true | FileCheck %s 2 3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-apple-macosx10.10.0" 5 6 @a = internal global [3 x i32] zeroinitializer, align 4 7 8 ; The important thing we're checking for here is the reload of (some element of) 9 ; @a after the memset. 10 11 ; CHECK-LABEL: @main 12 ; CHECK: load i32, i32* getelementptr {{.*}} @a 13 ; CHECK-NEXT: call void @memsetp0i8i64{{.*}} @a 14 ; CHECK-NEXT: load i32, i32* getelementptr {{.*}} @a 15 ; CHECK-NEXT: call void @memsetp0i8i64A{{.*}} @a 16 ; CHECK-NEXT: load i32, i32* getelementptr {{.*}} @a 17 ; CHECK: icmp eq 18 ; CHECK: br i1 19 20 define i32 @main() { 21 entry: 22 %0 = bitcast [3 x i32]* @a to i8* 23 %1 = load i32, i32* getelementptr inbounds ([3 x i32], [3 x i32]* @a, i64 0, i64 2), align 4 24 call void @memsetp0i8i64(i8* %0, i8 0, i64 4, i32 4, i1 false) 25 %2 = load i32, i32* getelementptr inbounds ([3 x i32], [3 x i32]* @a, i64 0, i64 2), align 4 26 call void @memsetp0i8i64A(i8* %0, i8 0, i64 4, i32 4, i1 false) 27 %3 = load i32, i32* getelementptr inbounds ([3 x i32], [3 x i32]* @a, i64 0, i64 2), align 4 28 %4 = add i32 %2, %3 29 %cmp1 = icmp eq i32 %1, %4 30 br i1 %cmp1, label %if.then, label %if.end 31 32 if.then: ; preds = %entr 33 call void @abort() #3 34 unreachable 35 36 if.end: ; preds = %entry 37 ret i32 0 38 } 39 40 ; Function Attrs: nounwind argmemonly 41 declare void @memsetp0i8i64(i8* nocapture, i8, i64, i32, i1) nounwind argmemonly 42 43 ; Function Attrs: nounwind inaccessiblemem_or_argmemonly 44 declare void @memsetp0i8i64A(i8* nocapture, i8, i64, i32, i1) nounwind inaccessiblemem_or_argmemonly 45 46 ; Function Attrs: noreturn nounwind 47 declare void @abort() noreturn nounwind 48
