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TheRock/compiler/amd-llvm/llvm/test/Transforms/RewriteStatepointsForGC/deopt-lowering-attrs.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

42 lines
1.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=rewrite-statepoints-for-gc -S < %s | FileCheck %s
; Check that the "deopt-lowering" function attribute gets transcoded into
; flags on the resulting statepoint
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"
declare void @foo()
declare void @bar() "deopt-lowering"="live-in"
declare void @baz() "deopt-lowering"="live-through"
define void @test1() gc "statepoint-example" {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 57) ]
; CHECK-NEXT: [[STATEPOINT_TOKEN1:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @bar, i32 0, i32 2, i32 0, i32 0) [ "deopt"(i32 42) ]
; CHECK-NEXT: [[STATEPOINT_TOKEN2:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @baz, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 13) ]
; CHECK-NEXT: ret void
;
entry:
call void @foo() [ "deopt"(i32 57) ]
call void @bar() [ "deopt"(i32 42) ]
call void @baz() [ "deopt"(i32 13) ]
ret void
}
; add deopt-lowering attribute as part of callsite
define void @test2() gc "statepoint-example" {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 2, i32 0, i32 0) #[[ATTR0:[0-9]+]] [ "deopt"(i32 57) ]
; CHECK-NEXT: ret void
;
entry:
call void @foo() "deopt-lowering"="live-in" [ "deopt"(i32 57) ]
ret void
}