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Diffstat (limited to 'test/Transforms/InstCombine/align-external.ll')
| -rw-r--r-- | test/Transforms/InstCombine/align-external.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/align-external.ll b/test/Transforms/InstCombine/align-external.ll new file mode 100644 index 0000000000..38be3143ed --- /dev/null +++ b/test/Transforms/InstCombine/align-external.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | FileCheck %s + +; Don't assume that external global variables 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) +; CHECK: %q = add i64 %r, 1 +; CHECK: ret i64 %q + +target datalayout = "-i32:8:32" + +@A = external global i32 +@B = external global i32 + +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 +} |