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Diffstat (limited to 'test/Instrumentation/BoundsChecking/simple-32.ll')
-rw-r--r-- | test/Instrumentation/BoundsChecking/simple-32.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Instrumentation/BoundsChecking/simple-32.ll b/test/Instrumentation/BoundsChecking/simple-32.ll new file mode 100644 index 0000000..38b210f --- /dev/null +++ b/test/Instrumentation/BoundsChecking/simple-32.ll @@ -0,0 +1,29 @@ +; RUN: opt < %s -bounds-checking -S | FileCheck %s + +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" + +%struct.s2_packed = type <{ i64, i32, i32, i32, i16, i8 }> + +; CHECK-LABEL: @f +; CHECK-NOT: trap +define i16 @f() { +entry: + %packed1 = alloca %struct.s2_packed, align 8 + %gep = getelementptr inbounds %struct.s2_packed* %packed1, i32 0, i32 4 + %ptr = bitcast i16* %gep to i32* + %val = load i32* %ptr, align 4 + %valt = trunc i32 %val to i16 + ret i16 %valt +} + +; CHECK-LABEL: @f +; CHECK: call void @llvm.trap() +define i16 @f2() { +entry: + %packed1 = alloca %struct.s2_packed, align 8 + %gep = getelementptr inbounds %struct.s2_packed* %packed1, i32 0, i32 4 + %ptr = bitcast i16* %gep to i48* + %val = load i48* %ptr, align 4 + %valt = trunc i48 %val to i16 + ret i16 %valt +} |