derek.holloway
7502bf64a4
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190 lines
8.2 KiB
LLVM
190 lines
8.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -msan-eager-checks -S -passes='module(msan)' 2>&1 | FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK %s
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; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S -passes='msan<eager-checks>' 2>&1 | FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK %s
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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"
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target triple = "x86_64-unknown-linux-gnu"
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define noundef i32 @NormalRet() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @NormalRet(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: ret i32 123
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;
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ret i32 123
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}
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define i32 @PartialRet() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @PartialRet(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: store i32 0, ptr @__msan_retval_tls, align 8
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; CHECK-NEXT: store i32 0, ptr @__msan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32 123
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;
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ret i32 123
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}
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define noundef i32 @LoadedRet() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @LoadedRet(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr
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; CHECK-NEXT: [[O:%.*]] = load i32, ptr [[P]], align 4
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; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080
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; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], 17592186044416
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; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr
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; CHECK-NEXT: [[_MSLD:%.*]] = load i32, ptr [[TMP3]], align 4
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; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[TMP5]], align 4
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; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[_MSLD]], 0
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; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP7:%.*]], label [[TMP8:%.*]], !prof [[PROF1:![0-9]+]]
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; CHECK: 7:
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; CHECK-NEXT: call void @__msan_warning_with_origin_noreturn(i32 [[TMP6]]) #[[ATTR3:[0-9]+]]
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; CHECK-NEXT: unreachable
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; CHECK: 8:
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; CHECK-NEXT: ret i32 [[O]]
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;
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%p = inttoptr i64 0 to ptr
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%o = load i32, ptr %p
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ret i32 %o
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}
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define void @NormalArg(i32 noundef %a) nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @NormalArg(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr
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; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080
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; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], 17592186044416
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; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr
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; CHECK-NEXT: store i32 0, ptr [[TMP3]], align 4
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; CHECK-NEXT: store i32 [[A:%.*]], ptr [[P]], align 4
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; CHECK-NEXT: ret void
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;
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%p = inttoptr i64 0 to ptr
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store i32 %a, ptr %p
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ret void
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}
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define void @NormalArgAfterNoUndef(i32 noundef %a, i32 %b) nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @NormalArgAfterNoUndef(
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; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr getelementptr (i8, ptr @__msan_param_tls, i64 8), align 8
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; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr getelementptr (i8, ptr @__msan_param_origin_tls, i64 8), align 4
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr
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; CHECK-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[P]] to i64
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; CHECK-NEXT: [[TMP4:%.*]] = xor i64 [[TMP3]], 87960930222080
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; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr
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; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP4]], 17592186044416
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; CHECK-NEXT: [[TMP7:%.*]] = inttoptr i64 [[TMP6]] to ptr
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; CHECK-NEXT: store i32 [[TMP1]], ptr [[TMP5]], align 4
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; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[TMP1]], 0
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; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP8:%.*]], label [[TMP9:%.*]], !prof [[PROF1]]
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; CHECK: 8:
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; CHECK-NEXT: store i32 [[TMP2]], ptr [[TMP7]], align 4
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; CHECK-NEXT: br label [[TMP9]]
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; CHECK: 9:
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; CHECK-NEXT: store i32 [[B:%.*]], ptr [[P]], align 4
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; CHECK-NEXT: ret void
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;
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%p = inttoptr i64 0 to ptr
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store i32 %b, ptr %p
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ret void
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}
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define void @PartialArg(i32 %a) nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @PartialArg(
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; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @__msan_param_tls, align 8
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; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr @__msan_param_origin_tls, align 4
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr
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; CHECK-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[P]] to i64
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; CHECK-NEXT: [[TMP4:%.*]] = xor i64 [[TMP3]], 87960930222080
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; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr
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; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP4]], 17592186044416
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; CHECK-NEXT: [[TMP7:%.*]] = inttoptr i64 [[TMP6]] to ptr
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; CHECK-NEXT: store i32 [[TMP1]], ptr [[TMP5]], align 4
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; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[TMP1]], 0
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; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP8:%.*]], label [[TMP9:%.*]], !prof [[PROF1]]
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; CHECK: 8:
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; CHECK-NEXT: store i32 [[TMP2]], ptr [[TMP7]], align 4
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; CHECK-NEXT: br label [[TMP9]]
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; CHECK: 9:
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; CHECK-NEXT: store i32 [[A:%.*]], ptr [[P]], align 4
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; CHECK-NEXT: ret void
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;
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%p = inttoptr i64 0 to ptr
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store i32 %a, ptr %p
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ret void
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}
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define void @CallNormal() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @CallNormal(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[R:%.*]] = call i32 @NormalRet() #[[ATTR0:[0-9]+]]
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; CHECK-NEXT: call void @NormalArg(i32 [[R]]) #[[ATTR0]]
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; CHECK-NEXT: ret void
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;
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%r = call i32 @NormalRet() nounwind uwtable sanitize_memory
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call void @NormalArg(i32 %r) nounwind uwtable sanitize_memory
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ret void
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}
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define void @CallNormalArgAfterNoUndef() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @CallNormalArgAfterNoUndef(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[R:%.*]] = call i32 @NormalRet() #[[ATTR0]]
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; CHECK-NEXT: store i32 0, ptr getelementptr (i8, ptr @__msan_param_tls, i64 8), align 8
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; CHECK-NEXT: call void @NormalArgAfterNoUndef(i32 [[R]], i32 [[R]]) #[[ATTR0]]
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; CHECK-NEXT: ret void
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;
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%r = call i32 @NormalRet() nounwind uwtable sanitize_memory
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call void @NormalArgAfterNoUndef(i32 %r, i32 %r) nounwind uwtable sanitize_memory
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ret void
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}
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define void @CallWithLoaded() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @CallWithLoaded(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[P:%.*]] = inttoptr i64 0 to ptr
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; CHECK-NEXT: [[O:%.*]] = load i32, ptr [[P]], align 4
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; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080
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; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], 17592186044416
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; CHECK-NEXT: [[TMP5:%.*]] = inttoptr i64 [[TMP4]] to ptr
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; CHECK-NEXT: [[_MSLD:%.*]] = load i32, ptr [[TMP3]], align 4
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; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[TMP5]], align 4
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; CHECK-NEXT: [[_MSCMP:%.*]] = icmp ne i32 [[_MSLD]], 0
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; CHECK-NEXT: br i1 [[_MSCMP]], label [[TMP7:%.*]], label [[TMP8:%.*]], !prof [[PROF1]]
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; CHECK: 7:
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; CHECK-NEXT: call void @__msan_warning_with_origin_noreturn(i32 [[TMP6]]) #[[ATTR3]]
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; CHECK-NEXT: unreachable
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; CHECK: 8:
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; CHECK-NEXT: call void @NormalArg(i32 [[O]]) #[[ATTR0]]
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; CHECK-NEXT: ret void
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;
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%p = inttoptr i64 0 to ptr
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%o = load i32, ptr %p
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call void @NormalArg(i32 %o) nounwind uwtable sanitize_memory
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ret void
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}
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define void @CallPartial() nounwind uwtable sanitize_memory {
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; CHECK-LABEL: @CallPartial(
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: store i32 0, ptr @__msan_retval_tls, align 8
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; CHECK-NEXT: [[R:%.*]] = call i32 @PartialRet() #[[ATTR0]]
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; CHECK-NEXT: [[_MSRET:%.*]] = load i32, ptr @__msan_retval_tls, align 8
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; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @__msan_retval_origin_tls, align 4
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; CHECK-NEXT: store i32 [[_MSRET]], ptr @__msan_param_tls, align 8
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; CHECK-NEXT: store i32 [[TMP1]], ptr @__msan_param_origin_tls, align 4
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; CHECK-NEXT: call void @PartialArg(i32 [[R]]) #[[ATTR0]]
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; CHECK-NEXT: ret void
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;
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%r = call i32 @PartialRet() nounwind uwtable sanitize_memory
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call void @PartialArg(i32 %r) nounwind uwtable sanitize_memory
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ret void
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}
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