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c42ceea934
This would be a problem if the entire instrumented function was a call to e.g. memcpy Use FnPrologueEnd Instruction* instead of ActualFnStart BB* Differential Revision: https://reviews.llvm.org/D86001
131 lines
6.6 KiB
LLVM
131 lines
6.6 KiB
LLVM
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
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; RUN: %s
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; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
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; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
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; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CHECK-ORIGIN"
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; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK-ORIGIN
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; RUN: opt < %s -msan-check-access-address=1 -S -passes=msan 2>&1 | FileCheck \
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; RUN: %s --check-prefix=ADDR
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; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s --check-prefix=ADDR
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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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declare void @llvm.masked.store.v4i64.p0v4i64(<4 x i64>, <4 x i64>*, i32, <4 x i1>)
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declare <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>*, i32, <4 x i1>, <4 x double>)
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define void @Store(<4 x i64>* %p, <4 x i64> %v, <4 x i1> %mask) sanitize_memory {
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entry:
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tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
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ret void
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}
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; CHECK-LABEL: @Store(
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; CHECK: %[[A:.*]] = load <4 x i64>, {{.*}}@__msan_param_tls to i64), i64 8)
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; CHECK-ORIGIN: %[[O:.*]] = load i32, {{.*}}@__msan_param_origin_tls to i64), i64 8)
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; CHECK: %[[B:.*]] = ptrtoint <4 x i64>* %p to i64
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; CHECK: %[[C:.*]] = xor i64 %[[B]], 87960930222080
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; CHECK: %[[D:.*]] = inttoptr i64 %[[C]] to <4 x i64>*
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; CHECK-ORIGIN: %[[E:.*]] = add i64 %[[C]], 17592186044416
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; CHECK-ORIGIN: %[[F:.*]] = and i64 %[[E]], -4
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; CHECK-ORIGIN: %[[G:.*]] = inttoptr i64 %[[F]] to i32*
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; CHECK: call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %[[A]], <4 x i64>* %[[D]], i32 1, <4 x i1> %mask)
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; CHECK-ORIGIN: store i32 %[[O]], i32* %[[G]], align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 1
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 2
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 3
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 4
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 5
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 6
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK-ORIGIN: getelementptr i32, i32* %[[G]], i32 7
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; CHECK-ORIGIN: store i32 %[[O]], i32* {{.*}}, align 4
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; CHECK: tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
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; CHECK: ret void
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; ADDR-LABEL: @Store(
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; ADDR: %[[ADDRSHADOW:.*]] = load i64, {{.*}}[100 x i64]* @__msan_param_tls, i32 0, i32 0)
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; ADDR: %[[MASKSHADOW:.*]] = load <4 x i1>, {{.*}}@__msan_param_tls to i64), i64 40)
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; ADDR: %[[ADDRBAD:.*]] = icmp ne i64 %[[ADDRSHADOW]], 0
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; ADDR: br i1 %[[ADDRBAD]], label {{.*}}, label {{.*}}
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; ADDR: call void @__msan_warning_with_origin_noreturn(i32 0)
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; ADDR: %[[MASKSHADOWFLAT:.*]] = bitcast <4 x i1> %[[MASKSHADOW]] to i4
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; ADDR: %[[MASKBAD:.*]] = icmp ne i4 %[[MASKSHADOWFLAT]], 0
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; ADDR: br i1 %[[MASKBAD]], label {{.*}}, label {{.*}}
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; ADDR: call void @__msan_warning_with_origin_noreturn(i32 0)
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; ADDR: tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
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; ADDR: ret void
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define <4 x double> @Load(<4 x double>* %p, <4 x double> %v, <4 x i1> %mask) sanitize_memory {
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entry:
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%x = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
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ret <4 x double> %x
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}
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; CHECK-LABEL: @Load(
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; CHECK: %[[A:.*]] = load <4 x i64>, {{.*}}@__msan_param_tls to i64), i64 8)
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; CHECK-ORIGIN: %[[O:.*]] = load i32, {{.*}}@__msan_param_origin_tls to i64), i64 8)
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; CHECK: %[[B:.*]] = ptrtoint <4 x double>* %p to i64
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; CHECK: %[[C:.*]] = xor i64 %[[B]], 87960930222080
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; CHECK: %[[D:.*]] = inttoptr i64 %[[C]] to <4 x i64>*
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; CHECK-ORIGIN: %[[E:.*]] = add i64 %[[C]], 17592186044416
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; CHECK-ORIGIN: %[[F:.*]] = and i64 %[[E]], -4
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; CHECK-ORIGIN: %[[G:.*]] = inttoptr i64 %[[F]] to i32*
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; CHECK: %[[E:.*]] = call <4 x i64> @llvm.masked.load.v4i64.p0v4i64(<4 x i64>* %[[D]], i32 1, <4 x i1> %mask, <4 x i64> %[[A]])
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; CHECK-ORIGIN: %[[H:.*]] = load i32, i32* %[[G]]
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; CHECK-ORIGIN: %[[O2:.*]] = select i1 %{{.*}}, i32 %[[O]], i32 %[[H]]
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; CHECK: %[[X:.*]] = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
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; CHECK: store <4 x i64> %[[E]], {{.*}}@__msan_retval_tls
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; CHECK-ORIGIN: store i32 %[[O2]], i32* @__msan_retval_origin_tls
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; CHECK: ret <4 x double> %[[X]]
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; ADDR-LABEL: @Load(
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; ADDR: %[[ADDRSHADOW:.*]] = load i64, {{.*}}[100 x i64]* @__msan_param_tls, i32 0, i32 0)
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; ADDR: %[[MASKSHADOW:.*]] = load <4 x i1>, {{.*}}@__msan_param_tls to i64), i64 40)
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; ADDR: %[[ADDRBAD:.*]] = icmp ne i64 %[[ADDRSHADOW]], 0
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; ADDR: br i1 %[[ADDRBAD]], label {{.*}}, label {{.*}}
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; ADDR: call void @__msan_warning_with_origin_noreturn(i32 0)
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; ADDR: %[[MASKSHADOWFLAT:.*]] = bitcast <4 x i1> %[[MASKSHADOW]] to i4
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; ADDR: %[[MASKBAD:.*]] = icmp ne i4 %[[MASKSHADOWFLAT]], 0
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; ADDR: br i1 %[[MASKBAD]], label {{.*}}, label {{.*}}
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; ADDR: call void @__msan_warning_with_origin_noreturn(i32 0)
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; ADDR: = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
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; ADDR: ret <4 x double>
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define void @StoreNoSanitize(<4 x i64>* %p, <4 x i64> %v, <4 x i1> %mask) {
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entry:
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tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
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ret void
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}
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; CHECK-LABEL: @StoreNoSanitize(
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; CHECK: %[[B:.*]] = ptrtoint <4 x i64>* %p to i64
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; CHECK: %[[C:.*]] = xor i64 %[[B]], 87960930222080
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; CHECK: %[[D:.*]] = inttoptr i64 %[[C]] to <4 x i64>*
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; CHECK: call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> zeroinitializer, <4 x i64>* %[[D]], i32 1, <4 x i1> %mask)
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; CHECK: tail call void @llvm.masked.store.v4i64.p0v4i64(<4 x i64> %v, <4 x i64>* %p, i32 1, <4 x i1> %mask)
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; CHECK: ret void
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define <4 x double> @LoadNoSanitize(<4 x double>* %p, <4 x double> %v, <4 x i1> %mask) {
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entry:
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%x = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
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ret <4 x double> %x
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}
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; CHECK-LABEL: @LoadNoSanitize(
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; CHECK: %[[X:.*]] = call <4 x double> @llvm.masked.load.v4f64.p0v4f64(<4 x double>* %p, i32 1, <4 x i1> %mask, <4 x double> %v)
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; CHECK: store <4 x i64> zeroinitializer, {{.*}}@__msan_retval_tls to <4 x i64>*)
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; CHECK: ret <4 x double> %[[X]]
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