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TheRock/compiler/amd-llvm/llvm/test/Transforms/SimplifyCFG/no-md-sink.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

56 lines
1.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -sink-common-insts -S | FileCheck %s
; RUN: opt < %s -passes='simplifycfg<sink-common-insts>' -S | FileCheck %s
define i1 @test1(i1 zeroext %flag, ptr %y) #0 {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = call i1 @llvm.type.test(ptr [[Y:%.*]], metadata [[META0:![0-9]+]])
; CHECK-NEXT: [[R:%.*]] = call i1 @llvm.type.test(ptr [[Y]], metadata [[META1:![0-9]+]])
; CHECK-NEXT: [[T:%.*]] = select i1 [[FLAG:%.*]], i1 [[R]], i1 [[S]]
; CHECK-NEXT: ret i1 [[T]]
;
entry:
br i1 %flag, label %if.then, label %if.else
if.then:
%r = call i1 @llvm.type.test(ptr %y, metadata !0)
br label %if.end
if.else:
%s = call i1 @llvm.type.test(ptr %y, metadata !1)
br label %if.end
if.end:
%t = phi i1 [ %s, %if.else ], [ %r, %if.then ]
ret i1 %t
}
!0 = !{i32 0, !"typeid1"}
!1 = !{i32 4, !"typeid1"}
declare i1 @llvm.type.test(ptr %ptr, metadata %bitset) nounwind readnone
define i1 @test2(i1 zeroext %flag, ptr %y, ptr %z) #0 {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[Y_Z:%.*]] = select i1 [[FLAG:%.*]], ptr [[Y:%.*]], ptr [[Z:%.*]]
; CHECK-NEXT: [[S:%.*]] = call i1 @llvm.type.test(ptr [[Y_Z]], metadata [[META1]])
; CHECK-NEXT: ret i1 [[S]]
;
entry:
br i1 %flag, label %if.then, label %if.else
if.then:
%r = call i1 @llvm.type.test(ptr %y, metadata !0)
br label %if.end
if.else:
%s = call i1 @llvm.type.test(ptr %z, metadata !0)
br label %if.end
if.end:
%t = phi i1 [ %s, %if.else ], [ %r, %if.then ]
ret i1 %t
}