| ; RUN: opt < %s -instcombine -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" |
| target triple = "x86_64-pc-win32" |
| |
| %myStruct = type { float, [3 x float], [4 x float], i32 } |
| |
| ; make sure that we are not crashing when creating an illegal type |
| define void @func(%myStruct addrspace(1)* nocapture %p) nounwind { |
| ST: |
| %A = getelementptr inbounds %myStruct, %myStruct addrspace(1)* %p, i64 0 |
| %B = addrspacecast %myStruct addrspace(1)* %A to %myStruct* |
| %C = getelementptr inbounds %myStruct, %myStruct* %B, i32 0, i32 1 |
| %D = getelementptr inbounds [3 x float], [3 x float]* %C, i32 0, i32 2 |
| %E = load float, float* %D, align 4 |
| %F = fsub float %E, undef |
| ret void |
| } |
| |
| @array = internal addrspace(3) global [256 x float] zeroinitializer, align 4 |
| @scalar = internal addrspace(3) global float 0.000000e+00, align 4 |
| |
| define void @keep_necessary_addrspacecast(i64 %i, float** %out0, float** %out1) { |
| entry: |
| ; CHECK-LABEL: @keep_necessary_addrspacecast |
| %0 = getelementptr [256 x float], [256 x float]* addrspacecast ([256 x float] addrspace(3)* @array to [256 x float]*), i64 0, i64 %i |
| ; CHECK: addrspacecast float addrspace(3)* %{{[0-9]+}} to float* |
| %1 = getelementptr [0 x float], [0 x float]* addrspacecast (float addrspace(3)* @scalar to [0 x float]*), i64 0, i64 %i |
| ; CHECK: addrspacecast float addrspace(3)* %{{[0-9]+}} to float* |
| store float* %0, float** %out0, align 4 |
| store float* %1, float** %out1, align 4 |
| ret void |
| } |
| |