derek.holloway
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94 lines
2.7 KiB
LLVM
94 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 5
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; RUN: opt %s -passes=adce -S | FileCheck %s
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define i32 @foo(i32 %a) #0 {
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; CHECK-LABEL: define i32 @foo(
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; CHECK-SAME: i32 [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: ret i32 [[A]]
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;
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entry:
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%tk = call token @llvm.experimental.convergence.entry()
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ret i32 %a
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}
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define void @bar() #0 {
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; CHECK-LABEL: define void @bar(
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; CHECK-SAME: ) #[[ATTR0]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: ret void
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;
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entry:
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%tk = call token @llvm.experimental.convergence.anchor()
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ret void
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}
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define void @baz() #0 {
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; CHECK-LABEL: define void @baz(
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; CHECK-SAME: ) #[[ATTR0]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: br label %[[HEADER:.*]]
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; CHECK: [[HEADER]]:
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; CHECK-NEXT: br i1 true, label %[[BODY:.*]], label %[[EXIT:.*]]
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; CHECK: [[BODY]]:
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; CHECK-NEXT: br label %[[HEADER]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: ret void
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;
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entry:
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%tk0 = call token @llvm.experimental.convergence.entry()
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br label %header
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header:
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%tk1 = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %tk0) ]
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br i1 true, label %body, label %exit
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body:
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br label %header
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exit:
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ret void
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}
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define void @indirect_inner() #0 {
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; CHECK-LABEL: define void @indirect_inner(
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; CHECK-SAME: ) #[[ATTR0]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: ret void
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;
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entry:
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%tk0 = call token @llvm.experimental.convergence.entry()
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ret void
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}
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define void @indirect() #0 {
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; CHECK-LABEL: define void @indirect(
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; CHECK-SAME: ) #[[ATTR0]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[TK0:%.*]] = call token @llvm.experimental.convergence.entry()
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; CHECK-NEXT: [[VAR:%.*]] = alloca ptr, align 8
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; CHECK-NEXT: store ptr @indirect_inner, ptr [[VAR]], align 8
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; CHECK-NEXT: [[PTR:%.*]] = load ptr, ptr [[VAR]], align 8
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; CHECK-NEXT: call void [[PTR]]() #[[ATTR0]] [ "convergencectrl"(token [[TK0]]) ]
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; CHECK-NEXT: ret void
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;
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entry:
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%tk0 = call token @llvm.experimental.convergence.entry()
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%var = alloca ptr, align 8
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store ptr @indirect_inner, ptr %var, align 8
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%ptr = load ptr, ptr %var, align 8
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call void %ptr() convergent [ "convergencectrl"(token %tk0) ]
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ret void
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}
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declare token @llvm.experimental.convergence.entry() #1
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declare token @llvm.experimental.convergence.anchor() #1
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declare token @llvm.experimental.convergence.loop() #1
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attributes #0 = { convergent }
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attributes #1 = { convergent nocallback nofree nosync nounwind willreturn memory(none) }
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;.
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; CHECK: attributes #[[ATTR0]] = { convergent }
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; CHECK: attributes #[[ATTR1:[0-9]+]] = { convergent nocallback nofree nosync nounwind willreturn memory(none) }
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;.
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