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TheRock/compiler/amd-llvm/llvm/test/Transforms/NewGVN/metadata-nonnull.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt %s -passes=newgvn -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define ptr @test1(ptr %v0, ptr %v1) {
; CHECK-LABEL: define ptr @test1
; CHECK-SAME: (ptr [[V0:%.*]], ptr [[V1:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: [[V2:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: store ptr [[V2]], ptr [[V1]], align 8
; CHECK-NEXT: ret ptr [[V2]]
;
top:
%v2 = load ptr, ptr %v0, !nonnull !0
store ptr %v2, ptr %v1
%v3 = load ptr, ptr %v1
ret ptr %v3
}
; FIXME: could propagate nonnull to first load?
define ptr @test2(ptr %v0, ptr %v1) {
; CHECK-LABEL: define ptr @test2
; CHECK-SAME: (ptr [[V0:%.*]], ptr [[V1:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: [[V2:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: store ptr [[V2]], ptr [[V1]], align 8
; CHECK-NEXT: ret ptr [[V2]]
;
top:
%v2 = load ptr, ptr %v0
store ptr %v2, ptr %v1
%v3 = load ptr, ptr %v1, !nonnull !0
ret ptr %v3
}
declare void @use1(ptr %a) readonly
define ptr @test3(ptr %v0, i1 %arg) {
; CHECK-LABEL: define ptr @test3
; CHECK-SAME: (ptr [[V0:%.*]], i1 [[ARG:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: [[V1:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: call void @use1(ptr [[V1]])
; CHECK-NEXT: br i1 [[ARG]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: ret ptr [[V1]]
; CHECK: bb2:
; CHECK-NEXT: ret ptr [[V1]]
;
top:
%v1 = load ptr, ptr %v0
call void @use1(ptr %v1)
br i1 %arg, label %bb1, label %bb2
bb1:
%v2 = load ptr, ptr %v0, !nonnull !0
ret ptr %v2
bb2:
%v3 = load ptr, ptr %v0
ret ptr %v3
}
define ptr @test4(ptr %v0, i1 %arg) {
; CHECK-LABEL: define ptr @test4
; CHECK-SAME: (ptr [[V0:%.*]], i1 [[ARG:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: [[V1:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: call void @use1(ptr [[V1]])
; CHECK-NEXT: br i1 [[ARG]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: ret ptr [[V1]]
; CHECK: bb2:
; CHECK-NEXT: ret ptr [[V1]]
;
top:
%v1 = load ptr, ptr %v0
call void @use1(ptr %v1)
br i1 %arg, label %bb1, label %bb2
bb1:
%v2 = load ptr, ptr %v0
ret ptr %v2
bb2:
%v3 = load ptr, ptr %v0, !nonnull !0
ret ptr %v3
}
define ptr @test5(ptr %v0, i1 %arg) {
; CHECK-LABEL: define ptr @test5
; CHECK-SAME: (ptr [[V0:%.*]], i1 [[ARG:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: [[V1:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: call void @use1(ptr [[V1]])
; CHECK-NEXT: br i1 [[ARG]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: ret ptr [[V1]]
; CHECK: bb2:
; CHECK-NEXT: ret ptr [[V1]]
;
top:
%v1 = load ptr, ptr %v0, !nonnull !0
call void @use1(ptr %v1)
br i1 %arg, label %bb1, label %bb2
bb1:
%v2 = load ptr, ptr %v0
ret ptr %v2
bb2:
%v3 = load ptr, ptr %v0
ret ptr %v3
}
define ptr @test6(ptr %v0, ptr %v1, i1 %arg) {
; CHECK-LABEL: define ptr @test6
; CHECK-SAME: (ptr [[V0:%.*]], ptr [[V1:%.*]], i1 [[ARG:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: br i1 [[ARG]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[V2:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: store ptr [[V2]], ptr [[V1]], align 8
; CHECK-NEXT: ret ptr [[V2]]
; CHECK: bb2:
; CHECK-NEXT: [[V4:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: store ptr [[V4]], ptr [[V1]], align 8
; CHECK-NEXT: ret ptr [[V4]]
;
top:
br i1 %arg, label %bb1, label %bb2
bb1:
%v2 = load ptr, ptr %v0, !nonnull !0
store ptr %v2, ptr %v1
%v3 = load ptr, ptr %v1
ret ptr %v3
bb2:
%v4 = load ptr, ptr %v0
store ptr %v4, ptr %v1
%v5 = load ptr, ptr %v1, !nonnull !0
ret ptr %v5
}
declare void @use2(ptr %a)
define ptr @test7(ptr %v0, i1 %arg) {
; CHECK-LABEL: define ptr @test7
; CHECK-SAME: (ptr [[V0:%.*]], i1 [[ARG:%.*]]) {
; CHECK-NEXT: top:
; CHECK-NEXT: [[V1:%.*]] = load ptr, ptr [[V0]], align 8, !nonnull [[META0:![0-9]+]]
; CHECK-NEXT: call void @use2(ptr [[V1]])
; CHECK-NEXT: br i1 [[ARG]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[V2:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: ret ptr [[V2]]
; CHECK: bb2:
; CHECK-NEXT: [[V3:%.*]] = load ptr, ptr [[V0]], align 8
; CHECK-NEXT: ret ptr [[V3]]
;
top:
%v1 = load ptr, ptr %v0, !nonnull !0
call void @use2(ptr %v1)
br i1 %arg, label %bb1, label %bb2
bb1:
%v2 = load ptr, ptr %v0
ret ptr %v2
bb2:
%v3 = load ptr, ptr %v0
ret ptr %v3
}
!0 = !{}
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