64 lines
1.7 KiB
LLVM
64 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -passes=instcombine -S < %s | FileCheck %s
|
|
|
|
; Check that InstCombine can sink instructions to the landingpad of the invoke.
|
|
|
|
define void @t0_noop(i32 %arg) personality ptr @__gxx_personality_v0 {
|
|
; CHECK-LABEL: @t0_noop(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[C:%.*]] = call i1 @cond()
|
|
; CHECK-NEXT: br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
|
|
; CHECK: if.then:
|
|
; CHECK-NEXT: invoke void @simple_throw()
|
|
; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
|
|
; CHECK: invoke.cont:
|
|
; CHECK-NEXT: unreachable
|
|
; CHECK: lpad:
|
|
; CHECK-NEXT: [[EH:%.*]] = landingpad { ptr, i32 }
|
|
; CHECK-NEXT: cleanup
|
|
; CHECK-NEXT: [[V0:%.*]] = add i32 [[ARG:%.*]], 42
|
|
; CHECK-NEXT: call void @consume(i32 [[V0]])
|
|
; CHECK-NEXT: call void @destructor()
|
|
; CHECK-NEXT: resume { ptr, i32 } [[EH]]
|
|
; CHECK: if.end:
|
|
; CHECK-NEXT: [[V1:%.*]] = add i32 [[ARG]], 24
|
|
; CHECK-NEXT: call void @consume(i32 [[V1]])
|
|
; CHECK-NEXT: call void @sideeffect()
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%c = call i1 @cond()
|
|
%v0 = add i32 %arg, 42
|
|
%v1 = add i32 %arg, 24
|
|
br i1 %c, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
invoke void @simple_throw() to label %invoke.cont unwind label %lpad
|
|
|
|
invoke.cont:
|
|
unreachable
|
|
|
|
lpad:
|
|
%eh = landingpad { ptr, i32 } cleanup
|
|
call void @consume(i32 %v0)
|
|
call void @destructor()
|
|
resume { ptr, i32 } %eh
|
|
|
|
if.end:
|
|
call void @consume(i32 %v1)
|
|
call void @sideeffect()
|
|
ret void
|
|
}
|
|
|
|
declare i1 @cond()
|
|
|
|
declare void @sideeffect()
|
|
|
|
declare void @simple_throw() noreturn
|
|
|
|
declare void @destructor()
|
|
|
|
declare void @consume(i32)
|
|
|
|
declare dso_local i32 @__gxx_personality_v0(...)
|