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authorChris Lattner <sabre@nondot.org>2009-09-08 00:27:14 +0000
committerChris Lattner <sabre@nondot.org>2009-09-08 00:27:14 +0000
commitf2ab40a46f924b6bd178c3bc658c44a2f8ed209d (patch)
tree701efc0f209db869c3f20f031738a7183ad2b675 /llvm/test/Transforms/MemCpyOpt
parent0cdbc7a2ca4cc45817790790be15d78e2bf27310 (diff)
downloadbcm5719-llvm-f2ab40a46f924b6bd178c3bc658c44a2f8ed209d.tar.gz
bcm5719-llvm-f2ab40a46f924b6bd178c3bc658c44a2f8ed209d.zip
Fix PR4882, by making MemCpyOpt not dereference removed stores to get the
context for the newly created operations. Patch by Jakub Staszak! llvm-svn: 81175
Diffstat (limited to 'llvm/test/Transforms/MemCpyOpt')
-rw-r--r--llvm/test/Transforms/MemCpyOpt/crash.ll45
1 files changed, 45 insertions, 0 deletions
diff --git a/llvm/test/Transforms/MemCpyOpt/crash.ll b/llvm/test/Transforms/MemCpyOpt/crash.ll
new file mode 100644
index 00000000000..ccdfa53b6d7
--- /dev/null
+++ b/llvm/test/Transforms/MemCpyOpt/crash.ll
@@ -0,0 +1,45 @@
+; RUN: opt %s -memcpyopt -disable-output
+; PR4882
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
+target triple = "armv7-eabi"
+
+%struct.qw = type { [4 x float] }
+%struct.bar = type { %struct.qw, %struct.qw, %struct.qw, %struct.qw, %struct.qw, float, float}
+
+define arm_aapcs_vfpcc void @test1(%struct.bar* %this) {
+entry:
+ %0 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 0
+ store float 0.000000e+00, float* %0, align 4
+ %1 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 1
+ store float 0.000000e+00, float* %1, align 4
+ %2 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 2
+ store float 0.000000e+00, float* %2, align 4
+ %3 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 3
+ store float 0.000000e+00, float* %3, align 4
+ %4 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 0
+ store float 0.000000e+00, float* %4, align 4
+ %5 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 1
+ store float 0.000000e+00, float* %5, align 4
+ %6 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 2
+ store float 0.000000e+00, float* %6, align 4
+ %7 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 3
+ store float 0.000000e+00, float* %7, align 4
+ %8 = getelementptr inbounds %struct.bar* %this, i32 0, i32 3, i32 0, i32 1
+ store float 0.000000e+00, float* %8, align 4
+ %9 = getelementptr inbounds %struct.bar* %this, i32 0, i32 3, i32 0, i32 2
+ store float 0.000000e+00, float* %9, align 4
+ %10 = getelementptr inbounds %struct.bar* %this, i32 0, i32 3, i32 0, i32 3
+ store float 0.000000e+00, float* %10, align 4
+ %11 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 0
+ store float 0.000000e+00, float* %11, align 4
+ %12 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 1
+ store float 0.000000e+00, float* %12, align 4
+ %13 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 2
+ store float 0.000000e+00, float* %13, align 4
+ %14 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 3
+ store float 0.000000e+00, float* %14, align 4
+ %15 = getelementptr inbounds %struct.bar* %this, i32 0, i32 5
+ store float 0.000000e+00, float* %15, align 4
+ unreachable
+}
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