1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instcombine %s -o - | FileCheck %s
target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-p4:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
define i32 @test_as0(i32 addrspace(0)* %a) {
; CHECK-LABEL: @test_as0(
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr i32, i32* [[A:%.*]], i32 1
; CHECK-NEXT: [[Y:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
; CHECK-NEXT: ret i32 [[Y]]
;
%arrayidx = getelementptr i32, i32 addrspace(0)* %a, i64 1
%y = load i32, i32 addrspace(0)* %arrayidx, align 4
ret i32 %y
}
define i32 @test_as1(i32 addrspace(1)* %a) {
; CHECK-LABEL: @test_as1(
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr i32, i32 addrspace(1)* [[A:%.*]], i64 1
; CHECK-NEXT: [[Y:%.*]] = load i32, i32 addrspace(1)* [[ARRAYIDX]], align 4
; CHECK-NEXT: ret i32 [[Y]]
;
%arrayidx = getelementptr i32, i32 addrspace(1)* %a, i32 1
%y = load i32, i32 addrspace(1)* %arrayidx, align 4
ret i32 %y
}
define i32 @test_as2(i32 addrspace(2)* %a) {
; CHECK-LABEL: @test_as2(
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr i32, i32 addrspace(2)* [[A:%.*]], i8 1
; CHECK-NEXT: [[Y:%.*]] = load i32, i32 addrspace(2)* [[ARRAYIDX]], align 4
; CHECK-NEXT: ret i32 [[Y]]
;
%arrayidx = getelementptr i32, i32 addrspace(2)* %a, i32 1
%y = load i32, i32 addrspace(2)* %arrayidx, align 4
ret i32 %y
}
define i32 @test_as3(i32 addrspace(3)* %a) {
; CHECK-LABEL: @test_as3(
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr i32, i32 addrspace(3)* [[A:%.*]], i16 1
; CHECK-NEXT: [[Y:%.*]] = load i32, i32 addrspace(3)* [[ARRAYIDX]], align 4
; CHECK-NEXT: ret i32 [[Y]]
;
%arrayidx = getelementptr i32, i32 addrspace(3)* %a, i32 1
%y = load i32, i32 addrspace(3)* %arrayidx, align 4
ret i32 %y
}
define i32 @test_combine_ptrtoint(i32 addrspace(2)* %a) {
; CHECK-LABEL: @test_combine_ptrtoint(
; CHECK-NEXT: [[Y:%.*]] = load i32, i32 addrspace(2)* [[A:%.*]], align 4
; CHECK-NEXT: ret i32 [[Y]]
;
%cast = ptrtoint i32 addrspace(2)* %a to i8
%castback = inttoptr i8 %cast to i32 addrspace(2)*
%y = load i32, i32 addrspace(2)* %castback, align 4
ret i32 %y
}
define i8 @test_combine_inttoptr(i8 %a) {
; CHECK-LABEL: @test_combine_inttoptr(
; CHECK-NEXT: ret i8 [[A:%.*]]
;
%cast = inttoptr i8 %a to i32 addrspace(2)*
%castback = ptrtoint i32 addrspace(2)* %cast to i8
ret i8 %castback
}
define i32 @test_combine_vector_ptrtoint(<2 x i32 addrspace(2)*> %a) {
; CHECK-LABEL: @test_combine_vector_ptrtoint(
; CHECK-NEXT: [[P:%.*]] = extractelement <2 x i32 addrspace(2)*> [[A:%.*]], i64 0
; CHECK-NEXT: [[Y:%.*]] = load i32, i32 addrspace(2)* [[P]], align 4
; CHECK-NEXT: ret i32 [[Y]]
;
%cast = ptrtoint <2 x i32 addrspace(2)*> %a to <2 x i8>
%castback = inttoptr <2 x i8> %cast to <2 x i32 addrspace(2)*>
%p = extractelement <2 x i32 addrspace(2)*> %castback, i32 0
%y = load i32, i32 addrspace(2)* %p, align 4
ret i32 %y
}
define <2 x i8> @test_combine_vector_inttoptr(<2 x i8> %a) {
; CHECK-LABEL: @test_combine_vector_inttoptr(
; CHECK-NEXT: ret <2 x i8> [[A:%.*]]
;
%cast = inttoptr <2 x i8> %a to <2 x i32 addrspace(2)*>
%castback = ptrtoint <2 x i32 addrspace(2)*> %cast to <2 x i8>
ret <2 x i8> %castback
}
; Check that the GEP index is changed to the address space integer type (i64 -> i8)
define i32 addrspace(2)* @shrink_gep_constant_index_64_as2(i32 addrspace(2)* %p) {
; CHECK-LABEL: @shrink_gep_constant_index_64_as2(
; CHECK-NEXT: [[RET:%.*]] = getelementptr i32, i32 addrspace(2)* [[P:%.*]], i8 1
; CHECK-NEXT: ret i32 addrspace(2)* [[RET]]
;
%ret = getelementptr i32, i32 addrspace(2)* %p, i64 1
ret i32 addrspace(2)* %ret
}
define i32 addrspace(2)* @shrink_gep_constant_index_32_as2(i32 addrspace(2)* %p) {
; CHECK-LABEL: @shrink_gep_constant_index_32_as2(
; CHECK-NEXT: [[RET:%.*]] = getelementptr i32, i32 addrspace(2)* [[P:%.*]], i8 1
; CHECK-NEXT: ret i32 addrspace(2)* [[RET]]
;
%ret = getelementptr i32, i32 addrspace(2)* %p, i32 1
ret i32 addrspace(2)* %ret
}
define i32 addrspace(3)* @shrink_gep_constant_index_64_as3(i32 addrspace(3)* %p) {
; CHECK-LABEL: @shrink_gep_constant_index_64_as3(
; CHECK-NEXT: [[RET:%.*]] = getelementptr i32, i32 addrspace(3)* [[P:%.*]], i16 1
; CHECK-NEXT: ret i32 addrspace(3)* [[RET]]
;
%ret = getelementptr i32, i32 addrspace(3)* %p, i64 1
ret i32 addrspace(3)* %ret
}
define i32 addrspace(2)* @shrink_gep_variable_index_64_as2(i32 addrspace(2)* %p, i64 %idx) {
; CHECK-LABEL: @shrink_gep_variable_index_64_as2(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[IDX:%.*]] to i8
; CHECK-NEXT: [[RET:%.*]] = getelementptr i32, i32 addrspace(2)* [[P:%.*]], i8 [[TMP1]]
; CHECK-NEXT: ret i32 addrspace(2)* [[RET]]
;
%ret = getelementptr i32, i32 addrspace(2)* %p, i64 %idx
ret i32 addrspace(2)* %ret
}
define i32 addrspace(1)* @grow_gep_variable_index_8_as1(i32 addrspace(1)* %p, i8 %idx) {
; CHECK-LABEL: @grow_gep_variable_index_8_as1(
; CHECK-NEXT: [[TMP1:%.*]] = sext i8 [[IDX:%.*]] to i64
; CHECK-NEXT: [[RET:%.*]] = getelementptr i32, i32 addrspace(1)* [[P:%.*]], i64 [[TMP1]]
; CHECK-NEXT: ret i32 addrspace(1)* [[RET]]
;
%ret = getelementptr i32, i32 addrspace(1)* %p, i8 %idx
ret i32 addrspace(1)* %ret
}
|