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- ; 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, %struct.s2_packed* %packed1, i32 0, i32 4
- %ptr = bitcast i16* %gep to i32*
- %val = load i32, 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, %struct.s2_packed* %packed1, i32 0, i32 4
- %ptr = bitcast i16* %gep to i48*
- %val = load i48, i48* %ptr, align 4
- %valt = trunc i48 %val to i16
- ret i16 %valt
- }
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