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[NFC][msan] Add NormalArgAfterNoUndef testcase

This commit is contained in:
Vitaly Buka 2021-10-20 20:44:41 -07:00
parent 60a8db6dc5
commit 66b650f3da
1 changed files with 39 additions and 0 deletions
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39
llvm/test/Instrumentation/MemorySanitizer/msan_eager.ll
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@ -67,6 +67,32 @@ define void @NormalArg(i32 noundef %a) nounwind uwtable sanitize_memory {
ret void
}
define void @NormalArgAfterNoUndef(i32 noundef %a, i32 %b) nounwind uwtable sanitize_memory {
; CHECK-LABEL: @NormalArgAfterNoUndef(
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* bitcast ([100 x i64]* @__msan_param_tls to i32*), align 8
; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__msan_param_origin_tls, i32 0, i32 0), align 4
; CHECK-NEXT: call void @llvm.donothing()
; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to i32*
; CHECK-NEXT: [[TMP3:%.*]] = ptrtoint i32* [[P]] to i64
; CHECK-NEXT: [[TMP4:%.*]] = xor i64 [[TMP3]], 87960930222080
; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to i32*
; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP4]], 17592186044416
; CHECK-NEXT: [[TMP7:%.*]] = inttoptr i64 [[TMP6]] to i32*
; CHECK-NEXT: store i32 [[TMP1]], i32* [[TMP5]], align 4
; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[TMP1]], 0
; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP8:%.*]], label [[TMP9:%.*]], !prof [[PROF0]]
; CHECK: 8:
; CHECK-NEXT: store i32 [[TMP2]], i32* [[TMP7]], align 4
; CHECK-NEXT: br label [[TMP9]]
; CHECK: 9:
; CHECK-NEXT: store i32 [[B:%.*]], i32* [[P]], align 4
; CHECK-NEXT: ret void
;
%p = inttoptr i64 0 to i32 *
store i32 %b, i32 *%p
ret void
}
define void @PartialArg(i32 %a) nounwind uwtable sanitize_memory {
; CHECK-LABEL: @PartialArg(
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* bitcast ([100 x i64]* @__msan_param_tls to i32*), align 8
@ -105,6 +131,19 @@ define void @CallNormal() nounwind uwtable sanitize_memory {
ret void
}
define void @CallNormalArgAfterNoUndef() nounwind uwtable sanitize_memory {
; CHECK-LABEL: @CallNormalArgAfterNoUndef(
; CHECK-NEXT: call void @llvm.donothing()
; CHECK-NEXT: [[R:%.*]] = call i32 @NormalRet() #[[ATTR0]]
; CHECK-NEXT: store i32 0, i32* bitcast ([100 x i64]* @__msan_param_tls to i32*), align 8
; CHECK-NEXT: call void @NormalArgAfterNoUndef(i32 [[R]], i32 [[R]]) #[[ATTR0]]
; CHECK-NEXT: ret void
;
%r = call i32 @NormalRet() nounwind uwtable sanitize_memory
call void @NormalArgAfterNoUndef(i32 %r, i32 %r) nounwind uwtable sanitize_memory
ret void
}
define void @CallWithLoaded() nounwind uwtable sanitize_memory {
; CHECK-LABEL: @CallWithLoaded(
; CHECK-NEXT: call void @llvm.donothing()