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- ; RUN: opt < %s -instcombine -S | FileCheck %s
- ; Don't assume that external global variables or those with weak linkage have
- ; their preferred alignment. They may only have the ABI minimum alignment.
- target datalayout = "i32:8:32"
- @A = external global i32
- @B = weak_odr global i32 0
- @C = available_externally global <4 x i32> zeroinitializer, align 4
- ; CHECK: @C = available_externally global <4 x i32> zeroinitializer, align 4
- define i64 @foo(i64 %a) {
- %t = ptrtoint i32* @A to i64
- %s = shl i64 %a, 3
- %r = or i64 %t, %s
- %q = add i64 %r, 1
- ret i64 %q
- }
- ; CHECK-LABEL: define i64 @foo(i64 %a)
- ; CHECK: %s = shl i64 %a, 3
- ; CHECK: %r = or i64 %s, ptrtoint (i32* @A to i64)
- ; CHECK: %q = add i64 %r, 1
- ; CHECK: ret i64 %q
- define i32 @bar() {
- %r = load i32, i32* @B, align 1
- ret i32 %r
- }
- ; CHECK-LABEL: @bar()
- ; CHECK: align 1
- define void @vec_store() {
- store <4 x i32> <i32 0, i32 1, i32 2, i32 3>, <4 x i32>* @C, align 4
- ret void
- }
- ; CHECK: define void @vec_store()
- ; CHECK: store <4 x i32> <i32 0, i32 1, i32 2, i32 3>, <4 x i32>* @C, align 4
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