| ; 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 |
| } |