86 lines
4.1 KiB
LLVM
86 lines
4.1 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; 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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; CHECK-LABEL: @func(
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; CHECK-NEXT: ret void
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;
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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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; CHECK-LABEL: @keep_necessary_addrspacecast(
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; CHECK-NEXT: [[T01:%.*]] = getelementptr [256 x float], [256 x float] addrspace(3)* @array, i64 0, i64 [[I:%.*]]
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; CHECK-NEXT: [[T0:%.*]] = addrspacecast float addrspace(3)* [[T01]] to float*
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr float, float addrspace(3)* @scalar, i64 [[I]]
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; CHECK-NEXT: [[T1:%.*]] = addrspacecast float addrspace(3)* [[TMP1]] to float*
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; CHECK-NEXT: store float* [[T0]], float** [[OUT0:%.*]], align 4
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; CHECK-NEXT: store float* [[T1]], float** [[OUT1:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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%t0 = 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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%t1 = getelementptr [0 x float], [0 x float]* addrspacecast (float addrspace(3)* @scalar to [0 x float]*), i64 0, i64 %i
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store float* %t0, float** %out0, align 4
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store float* %t1, float** %out1, align 4
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ret void
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}
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declare void @escape_alloca(i16*)
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; check that addrspacecast is stripped when trying to mark a GEP as inbounds
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define { i8, i8 } @inbounds_after_addrspacecast() {
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; CHECK-LABEL: @inbounds_after_addrspacecast(
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; CHECK-NEXT: [[T0:%.*]] = alloca i16, align 2
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; CHECK-NEXT: call void @escape_alloca(i16* nonnull [[T0]])
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; CHECK-NEXT: [[TMPCAST:%.*]] = bitcast i16* [[T0]] to [2 x i8]*
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; CHECK-NEXT: [[T1:%.*]] = addrspacecast [2 x i8]* [[TMPCAST]] to [2 x i8] addrspace(11)*
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; CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [2 x i8], [2 x i8] addrspace(11)* [[T1]], i64 0, i64 1
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; CHECK-NEXT: [[T3:%.*]] = load i8, i8 addrspace(11)* [[T2]], align 1
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; CHECK-NEXT: [[INSERT:%.*]] = insertvalue { i8, i8 } zeroinitializer, i8 [[T3]], 1
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; CHECK-NEXT: ret { i8, i8 } [[INSERT]]
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;
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%t0 = alloca i16, align 2
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call void @escape_alloca(i16* %t0)
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%tmpcast = bitcast i16* %t0 to [2 x i8]*
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%t1 = addrspacecast [2 x i8]* %tmpcast to [2 x i8] addrspace(11)*
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%t2 = getelementptr [2 x i8], [2 x i8] addrspace(11)* %t1, i64 0, i64 1
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%t3 = load i8, i8 addrspace(11)* %t2, align 1
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%insert = insertvalue { i8, i8 } zeroinitializer, i8 %t3, 1
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ret { i8, i8 } %insert
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}
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declare spir_func <16 x i32> @my_extern_func()
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; check that a bitcast is not generated when we need an addrspace cast
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define void @bitcast_after_gep(<16 x i32>* %t0) {
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; CHECK-LABEL: @bitcast_after_gep(
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; CHECK-NEXT: [[T4:%.*]] = addrspacecast <16 x i32>* [[T0:%.*]] to <16 x i32> addrspace(3)*
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; CHECK-NEXT: [[CALL:%.*]] = call spir_func <16 x i32> @my_extern_func()
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; CHECK-NEXT: store <16 x i32> [[CALL]], <16 x i32> addrspace(3)* [[T4]], align 64
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; CHECK-NEXT: ret void
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;
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%t1 = bitcast <16 x i32>* %t0 to [16 x i32]*
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%t2 = addrspacecast [16 x i32]* %t1 to [16 x i32] addrspace(3)*
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%t3 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(3)* %t2, i64 0, i64 0
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%t4 = bitcast i32 addrspace(3)* %t3 to <16 x i32> addrspace(3)*
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%call = call spir_func <16 x i32> @my_extern_func()
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store <16 x i32> %call, <16 x i32> addrspace(3)* %t4
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ret void
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}
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