23 lines · plain
1; RUN: opt -S -passes=instcombine < %s | FileCheck %s2 3; When merging zero sized alloca check that requested alignments of the allocas4; are obeyed.5 6target 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"7target triple = "x86_64-apple-macosx10.8.0"8 9@x = global ptr null, align 810@y = global ptr null, align 811 12; CHECK-LABEL: @f(13; CHECK-NEXT: alloca [0 x i8], align 102414; CHECK-NOT: alloca15; CHECK: ret void16define void @f() {17 %1 = alloca [0 x i8], align 118 %2 = alloca [0 x i8], align 102419 store ptr %1, ptr @x, align 820 store ptr %2, ptr @y, align 821 ret void22}23