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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=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, ptr %sv`. Even though it is a store
; to a stack object, we can read it in the landing/catchpad.
define void @test12(ptr %p) personality ptr @__CxxFrameHandler3 {
; CHECK-LABEL: @test12(
; CHECK-NEXT: block1:
; CHECK-NEXT: [[SV:%.*]] = alloca i32
; CHECK-NEXT: br label [[BLOCK2:%.*]]
; CHECK: block2:
; CHECK-NEXT: store i32 20, ptr [[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, ptr [[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, ptr %sv
invoke void @f()
to label %block3 unwind label %catch.dispatch
block3:
store i32 30, ptr %sv
br label %exit
catch.dispatch:
%cs1 = catchswitch within none [label %catch] unwind label %cleanup
catch:
%c = catchpad within %cs1 []
%lv = load i32, ptr %sv
br label %exit
cleanup:
%c1 = cleanuppad within none []
br label %exit
exit:
store i32 40, ptr %sv
ret void
}
|
