| ; RUN: opt < %s -S -passes="msan<track-origins=1>" 2>&1 | FileCheck %s --implicit-check-not "call void @llvm.mem" --implicit-check-not " load" --implicit-check-not " store" |
| |
| 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @FnByVal(ptr byval(i128) %p); |
| declare void @Fn(ptr %p); |
| |
| define i128 @ByValArgument(i32, ptr byval(i128) %p) sanitize_memory { |
| ; CHECK-LABEL: @ByValArgument( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[#]], ptr align 8 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), i64 16, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[#]], ptr align 4 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), i64 16, i1 false) |
| ; CHECK: [[X:%.*]] = load i128, ptr %p, align 8 |
| ; CHECK: [[_MSLD:%.*]] = load i128, ptr %[[#]], align 8 |
| ; CHECK: %[[#]] = load i32, ptr %[[#]], align 8 |
| ; CHECK: store i128 [[_MSLD]], ptr @__msan_retval_tls, align 8 |
| ; CHECK: store i32 %[[#]], ptr @__msan_retval_origin_tls, align 4 |
| ; CHECK: ret i128 [[X]] |
| ; |
| entry: |
| %x = load i128, ptr %p |
| ret i128 %x |
| } |
| |
| define i128 @ByValArgumentNoSanitize(i32, ptr byval(i128) %p) { |
| ; CHECK-LABEL: @ByValArgumentNoSanitize( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memset.p0.i64(ptr align 8 %[[#]], i8 0, i64 16, i1 false) |
| ; CHECK: [[X:%.*]] = load i128, ptr %p, align 8 |
| ; CHECK: store i128 0, ptr @__msan_retval_tls, align 8 |
| ; CHECK: store i32 0, ptr @__msan_retval_origin_tls, align 4 |
| ; CHECK: ret i128 [[X]] |
| ; |
| entry: |
| %x = load i128, ptr %p |
| ret i128 %x |
| } |
| |
| define void @ByValForward(i32, ptr byval(i128) %p) sanitize_memory { |
| ; CHECK-LABEL: @ByValForward( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[#]], ptr align 8 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), i64 16, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[#]], ptr align 4 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), i64 16, i1 false) |
| ; CHECK: store i64 0, ptr @__msan_param_tls, align 8 |
| ; CHECK: call void @Fn(ptr %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @Fn(ptr %p) |
| ret void |
| } |
| |
| define void @ByValForwardNoSanitize(i32, ptr byval(i128) %p) { |
| ; CHECK-LABEL: @ByValForwardNoSanitize( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memset.p0.i64(ptr align 8 %[[#]], i8 0, i64 16, i1 false) |
| ; CHECK: store i64 0, ptr @__msan_param_tls, align 8 |
| ; CHECK: call void @Fn(ptr %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @Fn(ptr %p) |
| ret void |
| } |
| |
| define void @ByValForwardByVal(i32, ptr byval(i128) %p) sanitize_memory { |
| ; CHECK-LABEL: @ByValForwardByVal( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %[[#]], ptr align 8 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), i64 16, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[#]], ptr align 4 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), i64 16, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr @__msan_param_tls, ptr %[[#]], i64 16, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 @__msan_param_origin_tls, ptr align 4 %[[#]], i64 16, i1 false) |
| ; CHECK: call void @FnByVal(ptr byval(i128) %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @FnByVal(ptr byval(i128) %p) |
| ret void |
| } |
| |
| define void @ByValForwardByValNoSanitize(i32, ptr byval(i128) %p) { |
| ; CHECK-LABEL: @ByValForwardByValNoSanitize( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memset.p0.i64(ptr align 8 %[[#]], i8 0, i64 16, i1 false) |
| ; CHECK: call void @llvm.memset.p0.i64(ptr @__msan_param_tls, i8 0, i64 16, i1 false) |
| ; CHECK: call void @FnByVal(ptr byval(i128) %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @FnByVal(ptr byval(i128) %p) |
| ret void |
| } |
| |
| declare void @FnByVal8(ptr byval(i8) %p); |
| declare void @Fn8(ptr %p); |
| |
| define i8 @ByValArgument8(i32, ptr byval(i8) %p) sanitize_memory { |
| ; CHECK-LABEL: @ByValArgument8( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %[[#]], ptr align 1 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), i64 1, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[#]], ptr align 4 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), i64 4, i1 false) |
| ; CHECK: [[X:%.*]] = load i8, ptr %p, align 1 |
| ; CHECK: [[_MSLD:%.*]] = load i8, ptr %[[#]], align 1 |
| ; CHECK: %[[#]] = load i32, ptr %[[#]], align 4 |
| ; CHECK: store i8 [[_MSLD]], ptr @__msan_retval_tls, align 8 |
| ; CHECK: store i32 %[[#]], ptr @__msan_retval_origin_tls, align 4 |
| ; CHECK: ret i8 [[X]] |
| ; |
| entry: |
| %x = load i8, ptr %p |
| ret i8 %x |
| } |
| |
| define i8 @ByValArgumentNoSanitize8(i32, ptr byval(i8) %p) { |
| ; CHECK-LABEL: @ByValArgumentNoSanitize8( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memset.p0.i64(ptr align 1 %[[#]], i8 0, i64 1, i1 false) |
| ; CHECK: [[X:%.*]] = load i8, ptr %p, align 1 |
| ; CHECK: store i8 0, ptr @__msan_retval_tls, align 8 |
| ; CHECK: store i32 0, ptr @__msan_retval_origin_tls, align 4 |
| ; CHECK: ret i8 [[X]] |
| ; |
| entry: |
| %x = load i8, ptr %p |
| ret i8 %x |
| } |
| |
| define void @ByValForward8(i32, ptr byval(i8) %p) sanitize_memory { |
| ; CHECK-LABEL: @ByValForward8( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %[[#]], ptr align 1 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), i64 1, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[#]], ptr align 4 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), i64 4, i1 false) |
| ; CHECK: store i64 0, ptr @__msan_param_tls, align 8 |
| ; CHECK: call void @Fn8(ptr %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @Fn8(ptr %p) |
| ret void |
| } |
| |
| define void @ByValForwardNoSanitize8(i32, ptr byval(i8) %p) { |
| ; CHECK-LABEL: @ByValForwardNoSanitize8( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memset.p0.i64(ptr align 1 %[[#]], i8 0, i64 1, i1 false) |
| ; CHECK: store i64 0, ptr @__msan_param_tls, align 8 |
| ; CHECK: call void @Fn8(ptr %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @Fn8(ptr %p) |
| ret void |
| } |
| |
| define void @ByValForwardByVal8(i32, ptr byval(i8) %p) sanitize_memory { |
| ; CHECK-LABEL: @ByValForwardByVal8( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %[[#]], ptr align 1 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), i64 1, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %[[#]], ptr align 4 inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_origin_tls to i64), i64 8) to ptr), i64 4, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr @__msan_param_tls, ptr %[[#]], i64 1, i1 false) |
| ; CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 4 @__msan_param_origin_tls, ptr align 4 %[[#]], i64 4, i1 false) |
| ; CHECK: call void @FnByVal8(ptr byval(i8) %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @FnByVal8(ptr byval(i8) %p) |
| ret void |
| } |
| |
| define void @ByValForwardByValNoSanitize8(i32, ptr byval(i8) %p) { |
| ; CHECK-LABEL: @ByValForwardByValNoSanitize8( |
| ; CHECK-NEXT: entry: |
| ; CHECK: call void @llvm.memset.p0.i64(ptr align 1 %[[#]], i8 0, i64 1, i1 false) |
| ; CHECK: call void @llvm.memset.p0.i64(ptr @__msan_param_tls, i8 0, i64 1, i1 false) |
| ; CHECK: call void @FnByVal8(ptr byval(i8) %p) |
| ; CHECK: ret void |
| ; |
| entry: |
| call void @FnByVal8(ptr byval(i8) %p) |
| ret void |
| } |
| |