63 lines
1.8 KiB
LLVM
63 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
|
|
declare void @f()
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
|
|
; Make sure we do not eliminate `store i32 20, i32* %sv`. Even though it is a store
|
|
; to a stack object, we can read it in the landing/catchpad.
|
|
define void @test12(i32* %p) personality i32 (...)* @__CxxFrameHandler3 {
|
|
; CHECK-LABEL: @test12(
|
|
; CHECK-NEXT: block1:
|
|
; CHECK-NEXT: [[SV:%.*]] = alloca i32
|
|
; CHECK-NEXT: br label [[BLOCK2:%.*]]
|
|
; CHECK: block2:
|
|
; CHECK-NEXT: store i32 20, i32* [[SV]]
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[BLOCK3:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
|
|
; CHECK: block3:
|
|
; CHECK-NEXT: br label [[EXIT:%.*]]
|
|
; CHECK: catch.dispatch:
|
|
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label %catch] unwind label [[CLEANUP:%.*]]
|
|
; CHECK: catch:
|
|
; CHECK-NEXT: [[C:%.*]] = catchpad within [[CS1]] []
|
|
; CHECK-NEXT: [[LV:%.*]] = load i32, i32* [[SV]]
|
|
; CHECK-NEXT: br label [[EXIT]]
|
|
; CHECK: cleanup:
|
|
; CHECK-NEXT: [[C1:%.*]] = cleanuppad within none []
|
|
; CHECK-NEXT: br label [[EXIT]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
block1:
|
|
%sv = alloca i32
|
|
br label %block2
|
|
|
|
block2:
|
|
store i32 20, i32* %sv
|
|
invoke void @f()
|
|
to label %block3 unwind label %catch.dispatch
|
|
|
|
block3:
|
|
store i32 30, i32* %sv
|
|
br label %exit
|
|
|
|
catch.dispatch:
|
|
%cs1 = catchswitch within none [label %catch] unwind label %cleanup
|
|
|
|
catch:
|
|
%c = catchpad within %cs1 []
|
|
%lv = load i32, i32* %sv
|
|
br label %exit
|
|
|
|
cleanup:
|
|
%c1 = cleanuppad within none []
|
|
br label %exit
|
|
|
|
exit:
|
|
store i32 40, i32* %sv
|
|
ret void
|
|
}
|