aboutsummaryrefslogtreecommitdiff
path: root/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll')
-rw-r--r--test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll b/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll
new file mode 100644
index 0000000000..61e67ad10c
--- /dev/null
+++ b/test/Transforms/InstCombine/2007-11-07-OpaqueAlignCrash.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output
+; PR1780
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
+target triple = "i686-pc-linux-gnu"
+
+%opaque_t = type opaque
+
+@g = external global %opaque_t
+
+define i32 @foo() {
+entry:
+ %x = load i8* bitcast (%opaque_t* @g to i8*)
+ %y = load i32* bitcast (%opaque_t* @g to i32*)
+ %z = zext i8 %x to i32
+ %r = add i32 %y, %z
+ ret i32 %r
+}
+