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authorChris Lattner <sabre@nondot.org>2007-11-09 17:33:02 +0000
committerChris Lattner <sabre@nondot.org>2007-11-09 17:33:02 +0000
commit7b52fe7272ec337a77b7cc96b14e27d15fec3c89 (patch)
tree9a7dca11ee1b0ed9e39b6f2fe90b4a3f1521b380 /test/Transforms/GlobalOpt
parent27b12384e673679845cdd91af759296b681516ca (diff)
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Tighten up a check for folding away loads from (newly constant) globals. This
fixes a crash on Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll and rdar://5585488. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43949 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GlobalOpt')
-rw-r--r--test/Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll b/test/Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll
new file mode 100644
index 0000000000..0d7d036402
--- /dev/null
+++ b/test/Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | opt -globalopt -disable-output
+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-f128:64:128"
+target triple = "powerpc-apple-darwin8"
+ %struct.empty0 = type { }
+ %struct.es = type { %struct.empty0 }
+ %struct.es1 = type { %struct.empty0 }
+@aaui1 = internal global [6 x [2 x i32]] [ [2 x i32] [ i32 1, i32 1 ], [2 x i32] [ i32 1, i32 1 ], [2 x i32] [ i32 1, i32 1 ], [2 x i32] [ i32 1, i32 1 ], [2 x i32] [ i32 1, i32 1 ], [2 x i32] [ i32 1, i32 1 ] ] ; <[6 x [2 x i32]]*> [#uses=1]
+@aaui0 = internal global [0 x [2 x i32]] zeroinitializer ; <[0 x [2 x i32]]*> [#uses=1]
+
+define i8 @func() {
+entry:
+ %tmp10 = getelementptr [2 x i32]* getelementptr ([6 x [2 x i32]]* @aaui1, i32 0, i32 0), i32 5, i32 1 ; <i32*> [#uses=1]
+ %tmp11 = load i32* %tmp10, align 4 ; <i32> [#uses=1]
+ %tmp12 = call i32 (...)* @func3( i32* null, i32 0, i32 %tmp11 ) ; <i32> [#uses=0]
+ ret i8 undef
+}
+
+declare i32 @func3(...)
+