1 ; RUN: opt < %s -S -memcpyopt | FileCheck %s 2 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64" 3 4 ; The resulting memset is only 4-byte aligned, despite containing 5 ; a 16-byte aligned store in the middle. 6 7 ; CHECK: call void @llvm.memset.p0i8.i64(i8* {{.*}}, i8 0, i64 16, i32 4, i1 false) 8 9 define void @foo(i32* %p) { 10 %a0 = getelementptr i32* %p, i64 0 11 store i32 0, i32* %a0, align 4 12 %a1 = getelementptr i32* %p, i64 1 13 store i32 0, i32* %a1, align 16 14 %a2 = getelementptr i32* %p, i64 2 15 store i32 0, i32* %a2, align 4 16 %a3 = getelementptr i32* %p, i64 3 17 store i32 0, i32* %a3, align 4 18 ret void 19 } 20
