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authorLauro Ramos Venancio <lauro.venancio@gmail.com>2007-07-31 20:13:21 +0000
committerLauro Ramos Venancio <lauro.venancio@gmail.com>2007-07-31 20:13:21 +0000
commitc7d1114ade08821746f448a6b6e9507da807022d (patch)
treea8b15ebf255867ff0cdf902f6520c2523d671c32 /test/Transforms/InstCombine/known_align.ll
parentb1576f56c8e8ec7afb49e4af77f7f5871f1b52ec (diff)
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Fix a bug in GetKnownAlignment of packed structs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40649 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/known_align.ll')
-rw-r--r--test/Transforms/InstCombine/known_align.ll27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/known_align.ll b/test/Transforms/InstCombine/known_align.ll
new file mode 100644
index 0000000000..a6e340902d
--- /dev/null
+++ b/test/Transforms/InstCombine/known_align.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {align 1}
+; END.
+
+ %struct.p = type <{ i8, i32 }>
+@t = global %struct.p <{ i8 1, i32 10 }> ; <%struct.p*> [#uses=1]
+@u = weak global %struct.p zeroinitializer ; <%struct.p*> [#uses=1]
+
+define i32 @main() {
+entry:
+ %retval = alloca i32, align 4 ; <i32*> [#uses=2]
+ %tmp = alloca i32, align 4 ; <i32*> [#uses=2]
+ %tmp1 = alloca i32, align 4 ; <i32*> [#uses=3]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ %tmp3 = load i32* getelementptr (%struct.p* @t, i32 0, i32 1), align 1 ; <i32> [#uses=1]
+ store i32 %tmp3, i32* %tmp1, align 4
+ %tmp5 = load i32* %tmp1, align 4 ; <i32> [#uses=1]
+ store i32 %tmp5, i32* getelementptr (%struct.p* @u, i32 0, i32 1), align 1
+ %tmp6 = load i32* %tmp1, align 4 ; <i32> [#uses=1]
+ store i32 %tmp6, i32* %tmp, align 4
+ %tmp7 = load i32* %tmp, align 4 ; <i32> [#uses=1]
+ store i32 %tmp7, i32* %retval, align 4
+ br label %return
+
+return: ; preds = %entry
+ %retval8 = load i32* %retval ; <i32> [#uses=1]
+ ret i32 %retval8
+}