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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2013-11-11 15:37:52 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2013-11-11 15:37:52 +0000 |
| commit | a2b3882c1074938a17aa34cb557f14547148b875 (patch) | |
| tree | 7e15326d814ede9b4ac6384cc3835f648a97fb4d /test/Transforms | |
| parent | f14beced2b3120f5f65d29e4553e478f3012345e (diff) | |
| download | external_llvm-a2b3882c1074938a17aa34cb557f14547148b875.zip external_llvm-a2b3882c1074938a17aa34cb557f14547148b875.tar.gz external_llvm-a2b3882c1074938a17aa34cb557f14547148b875.tar.bz2 | |
Add a testcase for pr17852.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194385 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/GVN/pr17852.ll | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/Transforms/GVN/pr17852.ll b/test/Transforms/GVN/pr17852.ll new file mode 100644 index 0000000..e95ff7f --- /dev/null +++ b/test/Transforms/GVN/pr17852.ll @@ -0,0 +1,66 @@ +; RUN: opt < %s -basicaa -gvn +target datalayout = "e-p:64:64:64-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-s0:64:64-f80:128:128-n8:16:32:64-S128" +%struct.S0 = type { [2 x i8], [2 x i8], [4 x i8], [2 x i8], i32, i32, i32, i32 } +define void @fn1(%struct.S0* byval align 8 %p1) { + br label %for.cond +for.cond: ; preds = %1, %0 + br label %for.end + %f2 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 2 + %f9 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 7 + br label %for.cond +for.end: ; preds = %for.cond + br i1 true, label %if.else, label %if.then +if.then: ; preds = %for.end + %f22 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 2 + %f7 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 5 + %tmp7 = load i32* %f7, align 8 + br label %if.end40 +if.else: ; preds = %for.end + br i1 false, label %for.cond18, label %if.then6 +if.then6: ; preds = %if.else + %f3 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 2 + %tmp10 = bitcast %struct.S0* %p1 to i16* + %f5 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 3 + %tmp11 = bitcast [2 x i8]* %f5 to i16* + %bf.load13 = load i16* %tmp11, align 8 + br label %if.end36 +for.cond18: ; preds = %if.else + call void @fn4() + br i1 true, label %if.end, label %if.end36 +if.end: ; preds = %for.cond18 + %f321 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 2 + %f925 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 7 + %f526 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 3 + %tmp15 = bitcast [2 x i8]* %f526 to i16* + %bf.load27 = load i16* %tmp15, align 8 + %tmp16 = bitcast %struct.S0* %p1 to i16* + br label %if.end36 +if.end36: ; preds = %if.end, %for.cond18, %if.then6 + %f537 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 3 + %tmp17 = bitcast [2 x i8]* %f537 to i16* + %bf.load38 = load i16* %tmp17, align 8 + %bf.clear39 = and i16 %bf.load38, -16384 + br label %if.end40 +if.end40: ; preds = %if.end36, %if.then + %f6 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 4 + %tmp18 = load i32* %f6, align 4 + call void @fn2(i32 %tmp18) + %f8 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 6 + %tmp19 = load i32* %f8, align 4 + %tobool41 = icmp eq i32 %tmp19, 0 + br i1 true, label %if.end50, label %if.then42 +if.then42: ; preds = %if.end40 + %tmp20 = bitcast %struct.S0* %p1 to i16* + %f547 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 3 + %tmp21 = bitcast [2 x i8]* %f547 to i16* + %bf.load48 = load i16* %tmp21, align 8 + br label %if.end50 +if.end50: ; preds = %if.then42, %if.end40 + %f551 = getelementptr inbounds %struct.S0* %p1, i64 0, i32 3 + %tmp22 = bitcast [2 x i8]* %f551 to i16* + %bf.load52 = load i16* %tmp22, align 8 + %bf.clear53 = and i16 %bf.load52, -16384 + ret void +} +declare void @fn2(i32) +declare void @fn4() |