derek.holloway
7502bf64a4
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113 lines
3.4 KiB
LLVM
113 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=instcombine -S < %s | FileCheck %s
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define float @matching_scalar(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @matching_scalar(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr %p, align 16
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ret float %r
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}
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define i32 @nonmatching_scalar(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @nonmatching_scalar(
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; CHECK-NEXT: [[R:%.*]] = load i32, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret i32 [[R]]
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;
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%r = load i32, ptr %p, align 16
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ret i32 %r
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}
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define i64 @larger_scalar(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @larger_scalar(
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; CHECK-NEXT: [[R:%.*]] = load i64, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret i64 [[R]]
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;
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%r = load i64, ptr %p, align 16
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ret i64 %r
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}
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define i8 @smaller_scalar(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @smaller_scalar(
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; CHECK-NEXT: [[R:%.*]] = load i8, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret i8 [[R]]
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;
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%r = load i8, ptr %p, align 16
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ret i8 %r
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}
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define i8 @smaller_scalar_less_aligned(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @smaller_scalar_less_aligned(
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; CHECK-NEXT: [[R:%.*]] = load i8, ptr [[P:%.*]], align 4
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; CHECK-NEXT: ret i8 [[R]]
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;
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%r = load i8, ptr %p, align 4
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ret i8 %r
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}
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define float @matching_scalar_small_deref(ptr dereferenceable(15) %p) {
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; CHECK-LABEL: @matching_scalar_small_deref(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr %p, align 16
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ret float %r
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}
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define float @matching_scalar_smallest_deref(ptr dereferenceable(1) %p) {
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; CHECK-LABEL: @matching_scalar_smallest_deref(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr %p, align 16
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ret float %r
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}
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define float @matching_scalar_smallest_deref_or_null(ptr dereferenceable_or_null(1) %p) {
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; CHECK-LABEL: @matching_scalar_smallest_deref_or_null(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr %p, align 16
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ret float %r
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}
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define float @matching_scalar_smallest_deref_addrspace(ptr addrspace(4) dereferenceable(1) %p) {
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; CHECK-LABEL: @matching_scalar_smallest_deref_addrspace(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr addrspace(4) [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr addrspace(4) %p, align 16
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ret float %r
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}
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; A null pointer can't be assumed inbounds in a non-default address space.
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define float @matching_scalar_smallest_deref_or_null_addrspace(ptr addrspace(4) dereferenceable_or_null(1) %p) {
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; CHECK-LABEL: @matching_scalar_smallest_deref_or_null_addrspace(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr addrspace(4) [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr addrspace(4) %p, align 16
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ret float %r
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}
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define float @matching_scalar_volatile(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @matching_scalar_volatile(
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; CHECK-NEXT: [[R:%.*]] = load volatile float, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load volatile float, ptr %p, align 16
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ret float %r
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}
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define float @nonvector(ptr dereferenceable(16) %p) {
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; CHECK-LABEL: @nonvector(
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; CHECK-NEXT: [[R:%.*]] = load float, ptr [[P:%.*]], align 16
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; CHECK-NEXT: ret float [[R]]
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;
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%r = load float, ptr %p, align 16
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ret float %r
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}
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