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-rw-r--r--test/Transforms/InstCombine/align-external.ll13
1 files changed, 10 insertions, 3 deletions
diff --git a/test/Transforms/InstCombine/align-external.ll b/test/Transforms/InstCombine/align-external.ll
index 6e8ad87..d4a5d42 100644
--- a/test/Transforms/InstCombine/align-external.ll
+++ b/test/Transforms/InstCombine/align-external.ll
@@ -1,7 +1,7 @@
; RUN: opt < %s -instcombine -S | FileCheck %s
-; Don't assume that external global variables have their preferred
-; alignment. They may only have the ABI minimum alignment.
+; Don't assume that external global variables or those with weak linkage have
+; their preferred alignment. They may only have the ABI minimum alignment.
; CHECK: %s = shl i64 %a, 3
; CHECK: %r = or i64 %s, ptrtoint (i32* @A to i64)
@@ -11,7 +11,7 @@
target datalayout = "-i32:8:32"
@A = external global i32
-@B = external global i32
+@B = weak_odr global i32 0
define i64 @foo(i64 %a) {
%t = ptrtoint i32* @A to i64
@@ -20,3 +20,10 @@ define i64 @foo(i64 %a) {
%q = add i64 %r, 1
ret i64 %q
}
+
+define i32 @bar() {
+; CHECK: @bar
+ %r = load i32* @B, align 1
+; CHECK: align 1
+ ret i32 %r
+}
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