8ebb3eac02
The legacy PM is deprecated, so update a bunch of lit tests running opt to use the new PM syntax when specifying the pipeline. In this patch focus has been put on test cases for ConstantMerge, ConstraintElimination, CorrelatedValuePropagation, GlobalDCE, GlobalOpt, SCCP, TailCallElim and PredicateInfo. Differential Revision: https://reviews.llvm.org/D114516
44 lines
1.5 KiB
LLVM
44 lines
1.5 KiB
LLVM
; RUN: opt < %s -passes=globalopt -S | FileCheck %s
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; When removing the store to @global in @foo, the pass would incorrectly return
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; false. This was caught by the pass return status check that is hidden under
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; EXPENSIVE_CHECKS.
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; CHECK: @global = internal unnamed_addr global i16* null, align 1
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; CHECK-LABEL: @foo
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i16 undef
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@global = internal unnamed_addr global i16* null, align 1
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; Function Attrs: nofree noinline norecurse nounwind writeonly
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define i16 @foo(i16 %c) local_unnamed_addr #0 {
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entry:
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%local1.addr = alloca i16, align 1
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store i16* %local1.addr, i16** @global, align 1
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ret i16 undef
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}
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; Function Attrs: noinline nounwind writeonly
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define i16 @bar() local_unnamed_addr #1 {
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entry:
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%local2 = alloca [1 x i16], align 1
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%0 = bitcast [1 x i16]* %local2 to i8*
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call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %0)
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%arraydecay = getelementptr inbounds [1 x i16], [1 x i16]* %local2, i16 0, i16 0
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store i16* %arraydecay, i16** @global, align 1
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call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
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ret i16 undef
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}
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; Function Attrs: argmemonly nounwind willreturn
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #2
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; Function Attrs: argmemonly nounwind willreturn
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #2
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attributes #0 = { nofree noinline norecurse nounwind writeonly }
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attributes #1 = { noinline nounwind writeonly }
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attributes #2 = { argmemonly nounwind willreturn }
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