forked from OSchip/llvm-project
35 lines
1.5 KiB
LLVM
35 lines
1.5 KiB
LLVM
; 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 addrspace(1)* %p, i64 0
|
|
%B = addrspacecast %myStruct addrspace(1)* %A to %myStruct*
|
|
%C = getelementptr inbounds %myStruct* %B, i32 0, i32 1
|
|
%D = getelementptr inbounds [3 x float]* %C, i32 0, i32 2
|
|
%E = load 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]* 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]* 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
|
|
}
|
|
|