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