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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
define float @matching_scalar(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @matching_scalar(
; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr %p, align 16
ret float %r
}
define i32 @nonmatching_scalar(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @nonmatching_scalar(
; CHECK-NEXT: [[R:%.*]] = load i32, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret i32 [[R]]
;
%r = load i32, ptr %p, align 16
ret i32 %r
}
define i64 @larger_scalar(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @larger_scalar(
; CHECK-NEXT: [[R:%.*]] = load i64, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret i64 [[R]]
;
%r = load i64, ptr %p, align 16
ret i64 %r
}
define i8 @smaller_scalar(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @smaller_scalar(
; CHECK-NEXT: [[R:%.*]] = load i8, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret i8 [[R]]
;
%r = load i8, ptr %p, align 16
ret i8 %r
}
define i8 @smaller_scalar_less_aligned(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @smaller_scalar_less_aligned(
; CHECK-NEXT: [[R:%.*]] = load i8, ptr [[P:%.*]], align 4
; CHECK-NEXT: ret i8 [[R]]
;
%r = load i8, ptr %p, align 4
ret i8 %r
}
define float @matching_scalar_small_deref(ptr dereferenceable(15) %p) {
; CHECK-LABEL: @matching_scalar_small_deref(
; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr %p, align 16
ret float %r
}
define float @matching_scalar_smallest_deref(ptr dereferenceable(1) %p) {
; CHECK-LABEL: @matching_scalar_smallest_deref(
; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr %p, align 16
ret float %r
}
define float @matching_scalar_smallest_deref_or_null(ptr dereferenceable_or_null(1) %p) {
; CHECK-LABEL: @matching_scalar_smallest_deref_or_null(
; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr %p, align 16
ret float %r
}
define float @matching_scalar_smallest_deref_addrspace(ptr addrspace(4) dereferenceable(1) %p) {
; CHECK-LABEL: @matching_scalar_smallest_deref_addrspace(
; CHECK-NEXT: [[R:%.*]] = load float, ptr addrspace(4) [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr addrspace(4) %p, align 16
ret float %r
}
; A null pointer can't be assumed inbounds in a non-default address space.
define float @matching_scalar_smallest_deref_or_null_addrspace(ptr addrspace(4) dereferenceable_or_null(1) %p) {
; CHECK-LABEL: @matching_scalar_smallest_deref_or_null_addrspace(
; CHECK-NEXT: [[R:%.*]] = load float, ptr addrspace(4) [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr addrspace(4) %p, align 16
ret float %r
}
define float @matching_scalar_volatile(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @matching_scalar_volatile(
; CHECK-NEXT: [[R:%.*]] = load volatile float, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load volatile float, ptr %p, align 16
ret float %r
}
define float @nonvector(ptr dereferenceable(16) %p) {
; CHECK-LABEL: @nonvector(
; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
; CHECK-NEXT: ret float [[R]]
;
%r = load float, ptr %p, align 16
ret float %r
}
|