aboutsummaryrefslogtreecommitdiffstats
path: root/test/Analysis
diff options
context:
space:
mode:
Diffstat (limited to 'test/Analysis')
-rw-r--r--test/Analysis/BasicAA/no-escape-call.ll23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/no-escape-call.ll b/test/Analysis/BasicAA/no-escape-call.ll
new file mode 100644
index 0000000..ab1fea7
--- /dev/null
+++ b/test/Analysis/BasicAA/no-escape-call.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | opt -basicaa -gvn -instcombine | llvm-dis | grep {ret i1 true}
+; PR2436
+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-f80:128:128"
+target triple = "i386-apple-darwin8"
+
+define i1 @foo(i32 %i) nounwind {
+entry:
+ %arr = alloca [10 x i8*] ; <[10 x i8*]*> [#uses=1]
+ %tmp2 = call i8* @getPtr( ) nounwind ; <i8*> [#uses=2]
+ %tmp4 = getelementptr [10 x i8*]* %arr, i32 0, i32 %i ; <i8**> [#uses=2]
+ store i8* %tmp2, i8** %tmp4, align 4
+ %tmp10 = getelementptr i8* %tmp2, i32 10 ; <i8*> [#uses=1]
+ store i8 42, i8* %tmp10, align 1
+ %tmp14 = load i8** %tmp4, align 4 ; <i8*> [#uses=1]
+ %tmp16 = getelementptr i8* %tmp14, i32 10 ; <i8*> [#uses=1]
+ %tmp17 = load i8* %tmp16, align 1 ; <i8> [#uses=1]
+ %tmp19 = icmp eq i8 %tmp17, 42 ; <i1> [#uses=1]
+ ret i1 %tmp19
+}
+
+declare i8* @getPtr()
+
+declare void @abort() noreturn nounwind