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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine %s -S | FileCheck %s
@block = global [64 x [8192 x i8]] zeroinitializer, align 1
define <2 x ptr> @vectorindex1() {
; CHECK-LABEL: @vectorindex1(
; CHECK-NEXT: ret <2 x ptr> getelementptr inbounds ([64 x [8192 x i8]], ptr @block, <2 x i64> zeroinitializer, <2 x i64> <i64 0, i64 1>, <2 x i64> splat (i64 8192))
;
%1 = getelementptr inbounds [64 x [8192 x i8]], ptr @block, i64 0, <2 x i64> <i64 0, i64 1>, i64 8192
ret <2 x ptr> %1
}
define <2 x ptr> @vectorindex2() {
; CHECK-LABEL: @vectorindex2(
; CHECK-NEXT: ret <2 x ptr> getelementptr inbounds ([64 x [8192 x i8]], ptr @block, <2 x i64> zeroinitializer, <2 x i64> splat (i64 1), <2 x i64> <i64 8191, i64 8193>)
;
%1 = getelementptr inbounds [64 x [8192 x i8]], ptr @block, i64 0, i64 1, <2 x i64> <i64 8191, i64 8193>
ret <2 x ptr> %1
}
define <2 x ptr> @vectorindex3() {
; CHECK-LABEL: @vectorindex3(
; CHECK-NEXT: ret <2 x ptr> getelementptr inbounds ([64 x [8192 x i8]], ptr @block, <2 x i64> zeroinitializer, <2 x i64> <i64 0, i64 1>, <2 x i64> <i64 8191, i64 8193>)
;
%1 = getelementptr inbounds [64 x [8192 x i8]], ptr @block, i64 0, <2 x i64> <i64 0, i64 1>, <2 x i64> <i64 8191, i64 8193>
ret <2 x ptr> %1
}
; Negative test - datalayout's alloc size for the 2 types must match.
define ptr @bitcast_vec_to_array_gep(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_gep(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr [7 x i32], ptr [[GEP_SPLIT:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr i32, ptr [[GEP]], i64 [[Z1:%.*]]
; CHECK-NEXT: ret ptr [[GEP1]]
;
%gep = getelementptr [7 x i32], ptr %x, i64 %y, i64 %z
ret ptr %gep
}
; Negative test - datalayout's alloc size for the 2 types must match.
define ptr @bitcast_array_to_vec_gep(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_array_to_vec_gep(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds <3 x i32>, ptr [[GEP_SPLIT:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds i32, ptr [[GEP]], i64 [[Z1:%.*]]
; CHECK-NEXT: ret ptr [[GEP1]]
;
%gep = getelementptr inbounds <3 x i32>, ptr %x, i64 %y, i64 %z
ret ptr %gep
}
; Sizes and types match - safe to remove bitcast.
define ptr @bitcast_vec_to_array_gep_matching_alloc_size(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_gep_matching_alloc_size(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr [4 x i32], ptr [[GEP_SPLIT:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr i32, ptr [[GEP]], i64 [[Z1:%.*]]
; CHECK-NEXT: ret ptr [[GEP1]]
;
%gep = getelementptr [4 x i32], ptr %x, i64 %y, i64 %z
ret ptr %gep
}
; Sizes and types match - safe to remove bitcast.
define ptr @bitcast_array_to_vec_gep_matching_alloc_size(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_array_to_vec_gep_matching_alloc_size(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds <4 x i32>, ptr [[GEP_SPLIT:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds i32, ptr [[GEP]], i64 [[Z1:%.*]]
; CHECK-NEXT: ret ptr [[GEP1]]
;
%gep = getelementptr inbounds <4 x i32>, ptr %x, i64 %y, i64 %z
ret ptr %gep
}
; Negative test - datalayout's alloc size for the 2 types must match.
define ptr addrspace(3) @bitcast_vec_to_array_addrspace(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_addrspace(
; CHECK-NEXT: [[ASC:%.*]] = addrspacecast ptr [[X:%.*]] to ptr addrspace(3)
; CHECK-NEXT: [[GEP_SPLIT:%.*]] = getelementptr [7 x i32], ptr addrspace(3) [[ASC]], i64 [[Y:%.*]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr addrspace(3) [[GEP_SPLIT]], i64 [[Z:%.*]]
; CHECK-NEXT: ret ptr addrspace(3) [[GEP]]
;
%asc = addrspacecast ptr %x to ptr addrspace(3)
%gep = getelementptr [7 x i32], ptr addrspace(3) %asc, i64 %y, i64 %z
ret ptr addrspace(3) %gep
}
; Negative test - datalayout's alloc size for the 2 types must match.
define ptr addrspace(3) @inbounds_bitcast_vec_to_array_addrspace(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @inbounds_bitcast_vec_to_array_addrspace(
; CHECK-NEXT: [[ASC:%.*]] = addrspacecast ptr [[X:%.*]] to ptr addrspace(3)
; CHECK-NEXT: [[GEP_SPLIT:%.*]] = getelementptr inbounds [7 x i32], ptr addrspace(3) [[ASC]], i64 [[Y:%.*]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(3) [[GEP_SPLIT]], i64 [[Z:%.*]]
; CHECK-NEXT: ret ptr addrspace(3) [[GEP]]
;
%asc = addrspacecast ptr %x to ptr addrspace(3)
%gep = getelementptr inbounds [7 x i32], ptr addrspace(3) %asc, i64 %y, i64 %z
ret ptr addrspace(3) %gep
}
; Sizes and types match - safe to remove bitcast.
define ptr addrspace(3) @bitcast_vec_to_array_addrspace_matching_alloc_size(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_addrspace_matching_alloc_size(
; CHECK-NEXT: [[ASC:%.*]] = addrspacecast ptr [[X:%.*]] to ptr addrspace(3)
; CHECK-NEXT: [[GEP_SPLIT:%.*]] = getelementptr [4 x i32], ptr addrspace(3) [[ASC]], i64 [[Y:%.*]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr addrspace(3) [[GEP_SPLIT]], i64 [[Z:%.*]]
; CHECK-NEXT: ret ptr addrspace(3) [[GEP]]
;
%asc = addrspacecast ptr %x to ptr addrspace(3)
%gep = getelementptr [4 x i32], ptr addrspace(3) %asc, i64 %y, i64 %z
ret ptr addrspace(3) %gep
}
; Sizes and types match - safe to remove bitcast.
define ptr addrspace(3) @inbounds_bitcast_vec_to_array_addrspace_matching_alloc_size(ptr %x, i64 %y, i64 %z) {
; CHECK-LABEL: @inbounds_bitcast_vec_to_array_addrspace_matching_alloc_size(
; CHECK-NEXT: [[ASC:%.*]] = addrspacecast ptr [[X:%.*]] to ptr addrspace(3)
; CHECK-NEXT: [[GEP_SPLIT:%.*]] = getelementptr inbounds [4 x i32], ptr addrspace(3) [[ASC]], i64 [[Y:%.*]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, ptr addrspace(3) [[GEP_SPLIT]], i64 [[Z:%.*]]
; CHECK-NEXT: ret ptr addrspace(3) [[GEP]]
;
%asc = addrspacecast ptr %x to ptr addrspace(3)
%gep = getelementptr inbounds [4 x i32], ptr addrspace(3) %asc, i64 %y, i64 %z
ret ptr addrspace(3) %gep
}
; Negative test - avoid doing bitcast on ptr, because '16' should be scaled by 'vscale'.
define ptr @test_accumulate_constant_offset_vscale_nonzero(<vscale x 16 x i1> %pg, ptr %base) {
; CHECK-LABEL: @test_accumulate_constant_offset_vscale_nonzero(
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT: [[TMP2:%.*]] = shl nuw i64 [[TMP1]], 4
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[BASE:%.*]], i64 [[TMP2]]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[TMP3]], i64 4
; CHECK-NEXT: ret ptr [[GEP]]
;
%gep = getelementptr <vscale x 16 x i8>, ptr %base, i64 1, i64 4
ret ptr %gep
}
define ptr @test_accumulate_constant_offset_vscale_zero(<vscale x 16 x i1> %pg, ptr %base) {
; CHECK-LABEL: @test_accumulate_constant_offset_vscale_zero(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[BASE:%.*]], i64 4
; CHECK-NEXT: ret ptr [[GEP]]
;
%gep = getelementptr <vscale x 16 x i8>, ptr %base, i64 0, i64 4
ret ptr %gep
}
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