42 lines · plain
1; RUN: opt < %s -passes=instcombine -S | FileCheck %s2 3; Don't assume that external global variables or those with weak linkage have4; their preferred alignment. They may only have the ABI minimum alignment.5 6target datalayout = "i32:8:32"7 8@A = external global i329@B = weak_odr global i32 010 11@C = available_externally global <4 x i32> zeroinitializer, align 412; CHECK: @C = available_externally global <4 x i32> zeroinitializer, align 413 14define i64 @foo(i64 %a) {15 %t = ptrtoint ptr @A to i6416 %s = shl i64 %a, 317 %r = or i64 %t, %s18 %q = add i64 %r, 119 ret i64 %q20}21 22; CHECK-LABEL: define i64 @foo(i64 %a)23; CHECK: %s = shl i64 %a, 324; CHECK: %r = or i64 %s, ptrtoint (ptr @A to i64)25; CHECK: %q = add i64 %r, 126; CHECK: ret i64 %q27 28define i32 @bar() {29 %r = load i32, ptr @B, align 130 ret i32 %r31}32 33; CHECK-LABEL: @bar()34; CHECK: align 135 36define void @vec_store() {37 store <4 x i32> <i32 0, i32 1, i32 2, i32 3>, ptr @C, align 438 ret void39}40; CHECK: define void @vec_store()41; CHECK: store <4 x i32> <i32 0, i32 1, i32 2, i32 3>, ptr @C, align 442