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1 | 1 | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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2 |
| -; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 |
3 |
| -; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan -msan-kernel=1 2>&1 |
| 2 | +; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s |
| 3 | +; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan -msan-kernel=1 2>&1 | FileCheck %s --check-prefixes=KERNEL |
4 | 4 | ; Test that code using va_start can be compiled on i386.
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5 | 5 |
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6 | 6 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
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7 | 7 | target triple = "i386-unknown-linux-gnu"
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8 | 8 |
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9 | 9 | define void @VaStart(ptr %s, ...) {
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| 10 | +; CHECK-LABEL: define void @VaStart( |
| 11 | +; CHECK-SAME: ptr [[S:%.*]], ...) { |
| 12 | +; CHECK-NEXT: [[ENTRY:.*:]] |
| 13 | +; CHECK-NEXT: call void @llvm.donothing() |
| 14 | +; CHECK-NEXT: [[VL:%.*]] = alloca ptr, align 4 |
| 15 | +; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[VL]] to i32 |
| 16 | +; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[TMP0]], 2147483647 |
| 17 | +; CHECK-NEXT: [[TMP2:%.*]] = inttoptr i32 [[TMP1]] to ptr |
| 18 | +; CHECK-NEXT: call void @llvm.memset.p0.i32(ptr align 4 [[TMP2]], i8 0, i32 4, i1 false) |
| 19 | +; CHECK-NEXT: call void @llvm.va_start.p0(ptr [[VL]]) |
| 20 | +; CHECK-NEXT: ret void |
| 21 | +; |
| 22 | +; KERNEL-LABEL: define void @VaStart( |
| 23 | +; KERNEL-SAME: ptr [[S:%.*]], ...) { |
| 24 | +; KERNEL-NEXT: [[ENTRY:.*:]] |
| 25 | +; KERNEL-NEXT: [[TMP0:%.*]] = call ptr @__msan_get_context_state() |
| 26 | +; KERNEL-NEXT: [[PARAM_SHADOW:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 0 |
| 27 | +; KERNEL-NEXT: [[RETVAL_SHADOW:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 1 |
| 28 | +; KERNEL-NEXT: [[VA_ARG_SHADOW:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 2 |
| 29 | +; KERNEL-NEXT: [[VA_ARG_ORIGIN:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 3 |
| 30 | +; KERNEL-NEXT: [[VA_ARG_OVERFLOW_SIZE:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 4 |
| 31 | +; KERNEL-NEXT: [[PARAM_ORIGIN:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 5 |
| 32 | +; KERNEL-NEXT: [[RETVAL_ORIGIN:%.*]] = getelementptr { [100 x i64], [100 x i64], [100 x i64], [100 x i64], i64, [200 x i32], i32, i32 }, ptr [[TMP0]], i32 0, i32 6 |
| 33 | +; KERNEL-NEXT: call void @llvm.donothing() |
| 34 | +; KERNEL-NEXT: [[VL:%.*]] = alloca ptr, align 4 |
| 35 | +; KERNEL-NEXT: call void @__msan_unpoison_alloca(ptr [[VL]], i32 4) |
| 36 | +; KERNEL-NEXT: call void @llvm.va_start.p0(ptr [[VL]]) |
| 37 | +; KERNEL-NEXT: ret void |
| 38 | +; |
10 | 39 | entry:
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11 | 40 | %vl = alloca ptr, align 4
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12 | 41 | call void @llvm.va_start(ptr %vl)
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