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fix PR6760, a missing check in heap SRoA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100936 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -966,7 +966,8 @@ static bool ValueIsOnlyUsedLocallyOrStoredToOneGlobal(const Instruction *V,
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continue; // Otherwise, storing through it, or storing into GV... fine.
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}
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if (isa<GetElementPtrInst>(Inst)) {
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// Must index into the array and into the struct.
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if (isa<GetElementPtrInst>(Inst) && Inst->getNumOperands() >= 3) {
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if (!ValueIsOnlyUsedLocallyOrStoredToOneGlobal(Inst, GV, PHIs))
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return false;
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continue;
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@ -9,8 +9,34 @@ target triple = "i386-apple-darwin9.8"
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@_ZL6vTwist = global %struct.btSimdScalar zeroinitializer ; <%struct.btSimdScalar*> [#uses=1]
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@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I__ZN21btConeTwistConstraintC2Ev }] ; <[12 x %0]*> [#uses=0]
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define internal void @_GLOBAL__I__ZN21btConeTwistConstraintC2Ev() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" {
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define internal void @_GLOBAL__I__ZN21btConeTwistConstraintC2Ev() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" {
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entry:
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store float 1.0, float* getelementptr inbounds (%struct.btSimdScalar* @_ZL6vTwist, i32 0, i32 0, i32 0, i32 3), align 4
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ret void
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}
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; PR6760
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%T = type { [5 x i32] }
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@switch_inf = internal global %T* null
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define void @test(i8* %arch_file, i32 %route_type) {
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entry:
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%A = sext i32 1 to i64
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%B = mul i64 %A, 20
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%C = call noalias i8* @malloc(i64 %B) nounwind
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%D = bitcast i8* %C to %T*
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store %T* %D, %T** @switch_inf, align 8
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unreachable
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bb.nph.i:
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%scevgep.i539 = getelementptr i8* %C, i64 4
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unreachable
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xx:
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%E = load %T** @switch_inf, align 8
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unreachable
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}
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declare noalias i8* @malloc(i64) nounwind
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