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[BasicAA] Add test for assume with operand bundles (NFC)

This commit is contained in:
Nikita Popov 2021-03-23 21:07:36 +01:00
parent f1b47ad278
commit b1389f6683
1 changed files with 17 additions and 0 deletions
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17
llvm/test/Analysis/BasicAA/assume.ll
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@ -20,4 +20,21 @@ define void @test1(i8* %P, i8* %Q) nounwind ssp {
; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.assume(i1 true)
}
; Same but with operand bundles
define void @test2(i8* %P, i8* %Q) nounwind ssp {
tail call void @llvm.assume(i1 true) [ "nonnull"(i8* %P) ]
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
ret void
; CHECK-LABEL: Function: test2:
; CHECK: MayAlias: i8* %P, i8* %Q
; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.assume(i1 true) [ "nonnull"(i8* %P) ]
; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.assume(i1 true) [ "nonnull"(i8* %P) ]
; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Both ModRef: tail call void @llvm.assume(i1 true) [ "nonnull"(i8* %P) ] <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false)
; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.assume(i1 true) [ "nonnull"(i8* %P) ]
}
attributes #0 = { nounwind }