remove-call-inst.ll
2.09 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; RUN: opt -attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
; PR5596
; IPSCCP should propagate the 0 argument, eliminate the switch, and propagate
; the result.
; FIXME: Remove obsolete calls/instructions
define i32 @main() noreturn nounwind {
; CHECK-LABEL: define {{[^@]+}}@main()
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 123
;
entry:
%call2 = tail call i32 @wwrite(i64 0) nounwind
ret i32 %call2
}
define internal i32 @wwrite(i64 %i) nounwind readnone {
; IS__CGSCC____-LABEL: define {{[^@]+}}@wwrite()
; IS__CGSCC____-NEXT: entry:
; IS__CGSCC____-NEXT: switch i64 0, label [[SW_DEFAULT:%.*]] [
; IS__CGSCC____-NEXT: i64 3, label [[RETURN:%.*]]
; IS__CGSCC____-NEXT: i64 10, label [[RETURN]]
; IS__CGSCC____-NEXT: ]
; IS__CGSCC____: sw.default:
; IS__CGSCC____-NEXT: ret i32 123
; IS__CGSCC____: return:
; IS__CGSCC____-NEXT: unreachable
;
entry:
switch i64 %i, label %sw.default [
i64 3, label %return
i64 10, label %return
]
sw.default:
ret i32 123
return:
ret i32 0
}