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Diffstat (limited to 'test/Instrumentation/BoundsChecking/simple.ll')
-rw-r--r-- | test/Instrumentation/BoundsChecking/simple.ll | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/test/Instrumentation/BoundsChecking/simple.ll b/test/Instrumentation/BoundsChecking/simple.ll new file mode 100644 index 0000000000..3d532c3cf3 --- /dev/null +++ b/test/Instrumentation/BoundsChecking/simple.ll @@ -0,0 +1,118 @@ +; RUN: opt < %s -bounds-checking -S | FileCheck %s +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" + +@.str = private constant [8 x i8] c"abcdefg\00" ; <[8 x i8]*> + +declare noalias i8* @malloc(i64) nounwind +declare noalias i8* @calloc(i64, i64) nounwind +declare noalias i8* @realloc(i8* nocapture, i64) nounwind + +; CHECK: @f1 +define void @f1() nounwind { + %1 = tail call i8* @malloc(i64 32) + %2 = bitcast i8* %1 to i32* + %idx = getelementptr inbounds i32* %2, i64 2 +; CHECK-NOT: trap + store i32 3, i32* %idx, align 4 + ret void +} + +; CHECK: @f2 +define void @f2() nounwind { + %1 = tail call i8* @malloc(i64 32) + %2 = bitcast i8* %1 to i32* + %idx = getelementptr inbounds i32* %2, i64 8 +; CHECK: trap + store i32 3, i32* %idx, align 4 + ret void +} + +; CHECK: @f3 +define void @f3(i64 %x) nounwind { + %1 = tail call i8* @calloc(i64 4, i64 %x) + %2 = bitcast i8* %1 to i32* + %idx = getelementptr inbounds i32* %2, i64 8 +; CHECK: mul i64 4, % +; CHECK: sub i64 {{.*}}, 32 +; CHECK-NEXT: icmp ult i64 {{.*}}, 32 +; CHECK-NEXT: icmp ult i64 {{.*}}, 4 +; CHECK-NEXT: or i1 +; CHECK: trap + store i32 3, i32* %idx, align 4 + ret void +} + +; CHECK: @f4 +define void @f4(i64 %x) nounwind { + %1 = tail call i8* @realloc(i8* null, i64 %x) nounwind + %2 = bitcast i8* %1 to i32* + %idx = getelementptr inbounds i32* %2, i64 8 +; CHECK: trap + %3 = load i32* %idx, align 4 + ret void +} + +; CHECK: @f5 +define void @f5(i64 %x) nounwind { + %idx = getelementptr inbounds [8 x i8]* @.str, i64 0, i64 %x +; CHECK: trap + %1 = load i8* %idx, align 4 + ret void +} + +; CHECK: @f6 +define void @f6(i64 %x) nounwind { + %1 = alloca i128 +; CHECK-NOT: trap + %2 = load i128* %1, align 4 + ret void +} + +; CHECK: @f7 +define void @f7(i64 %x) nounwind { + %1 = alloca i128, i64 %x +; CHECK: mul i64 16, +; CHECK: trap + %2 = load i128* %1, align 4 + ret void +} + +; CHECK: @f8 +define void @f8() nounwind { + %1 = alloca i128 + %2 = alloca i128 + %3 = select i1 undef, i128* %1, i128* %2 +; CHECK-NOT: trap + %4 = load i128* %3, align 4 + ret void +} + +; CHECK: @f9 +define void @f9(i128* %arg) nounwind { + %1 = alloca i128 + %2 = select i1 undef, i128* %arg, i128* %1 +; CHECK-NOT: trap + %3 = load i128* %2, align 4 + ret void +} + +; CHECK: @f10 +define void @f10(i64 %x, i64 %y) nounwind { + %1 = alloca i128, i64 %x + %2 = alloca i128, i64 %y + %3 = select i1 undef, i128* %1, i128* %2 +; CHECK: select +; CHECK: select +; CHECK: trap + %4 = load i128* %3, align 4 + ret void +} + +; CHECK: @f11 +define void @f11(i128* byval %x) nounwind { + %1 = bitcast i128* %x to i8* + %2 = getelementptr inbounds i8* %1, i64 16 +; CHECK: br label + %3 = load i8* %2, align 4 + ret void +} |