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TheRock/compiler/amd-llvm/llvm/test/Transforms/GVN/PRE/load-metadata.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

76 lines
2.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=gvn < %s | FileCheck %s --check-prefixes=CHECK,MDEP
; RUN: opt -S -passes='gvn<memoryssa>' < %s | FileCheck %s --check-prefixes=CHECK,MSSA
define i32 @test1(ptr %p, i1 %C) {
; CHECK-LABEL: define i32 @test1(
; CHECK-SAME: ptr [[P:%.*]], i1 [[C:%.*]]) {
; CHECK-NEXT: [[BLOCK1:.*:]]
; CHECK-NEXT: br i1 [[C]], label %[[BLOCK2:.*]], label %[[BLOCK3:.*]]
; CHECK: [[BLOCK2]]:
; CHECK-NEXT: [[PRE_PRE:%.*]] = load i32, ptr [[P]], align 4, !range [[RNG0:![0-9]+]], !invariant.group [[META1:![0-9]+]]
; CHECK-NEXT: br label %[[BLOCK4:.*]]
; CHECK: [[BLOCK3]]:
; CHECK-NEXT: store i32 0, ptr [[P]], align 4
; CHECK-NEXT: br label %[[BLOCK4]]
; CHECK: [[BLOCK4]]:
; CHECK-NEXT: [[PRE:%.*]] = phi i32 [ 0, %[[BLOCK3]] ], [ [[PRE_PRE]], %[[BLOCK2]] ]
; CHECK-NEXT: ret i32 [[PRE]]
;
block1:
br i1 %C, label %block2, label %block3
block2:
br label %block4
block3:
store i32 0, ptr %p
br label %block4
block4:
%PRE = load i32, ptr %p, !range !0, !invariant.group !1
ret i32 %PRE
}
define float @nofpclass(ptr %p, i1 %C) {
; CHECK-LABEL: define float @nofpclass(
; CHECK-SAME: ptr [[P:%.*]], i1 [[C:%.*]]) {
; CHECK-NEXT: [[BLOCK1:.*:]]
; CHECK-NEXT: br i1 [[C]], label %[[BLOCK2:.*]], label %[[BLOCK3:.*]]
; CHECK: [[BLOCK2]]:
; CHECK-NEXT: [[PRE_PRE:%.*]] = load float, ptr [[P]], align 4, !nofpclass [[META2:![0-9]+]]
; CHECK-NEXT: br label %[[BLOCK4:.*]]
; CHECK: [[BLOCK3]]:
; CHECK-NEXT: store float 0.000000e+00, ptr [[P]], align 4
; CHECK-NEXT: br label %[[BLOCK4]]
; CHECK: [[BLOCK4]]:
; CHECK-NEXT: [[PRE:%.*]] = phi float [ 0.000000e+00, %[[BLOCK3]] ], [ [[PRE_PRE]], %[[BLOCK2]] ]
; CHECK-NEXT: ret float [[PRE]]
;
block1:
br i1 %C, label %block2, label %block3
block2:
br label %block4
block3:
store float 0.0, ptr %p
br label %block4
block4:
%PRE = load float, ptr %p, !nofpclass !{i32 3}
ret float %PRE
}
!0 = !{i32 40, i32 100}
!1 = !{!"magic ptr"}
;.
; CHECK: [[RNG0]] = !{i32 40, i32 100}
; CHECK: [[META1]] = !{!"magic ptr"}
; CHECK: [[META2]] = !{i32 3}
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; MDEP: {{.*}}
; MSSA: {{.*}}