mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-22 12:33:33 +02:00
d5f26284b9
FoldPHIArgZextsIntoPHI cannot insert an instruction after the PHI if there is an EHPad in the BB. Doing so would result in an instruction inserted after a terminator. llvm-svn: 252377
98 lines
1.9 KiB
LLVM
98 lines
1.9 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-pc-windows-msvc18.0.0"
|
|
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
define void @test1() personality i32 (...)* @__CxxFrameHandler3 {
|
|
bb:
|
|
unreachable
|
|
|
|
unreachable:
|
|
%cl = cleanuppad []
|
|
cleanupret %cl unwind to caller
|
|
}
|
|
|
|
; CHECK-LABEL: define void @test1(
|
|
; CHECK: unreachable:
|
|
; CHECK: %cl = cleanuppad []
|
|
; CHECK: cleanupret %cl unwind to caller
|
|
|
|
define void @test2(i8 %A, i8 %B) personality i32 (...)* @__CxxFrameHandler3 {
|
|
bb:
|
|
%X = zext i8 %A to i32
|
|
invoke void @g(i32 0)
|
|
to label %cont
|
|
unwind label %catch
|
|
|
|
cont:
|
|
%Y = zext i8 %B to i32
|
|
invoke void @g(i32 0)
|
|
to label %unreachable
|
|
unwind label %catch
|
|
|
|
catch:
|
|
%phi = phi i32 [ %X, %bb ], [ %Y, %cont ]
|
|
%cl = catchpad []
|
|
to label %doit
|
|
unwind label %endpad
|
|
|
|
doit:
|
|
call void @g(i32 %phi)
|
|
unreachable
|
|
|
|
unreachable:
|
|
unreachable
|
|
|
|
endpad:
|
|
catchendpad unwind to caller
|
|
}
|
|
|
|
; CHECK-LABEL: define void @test2(
|
|
; CHECK: %X = zext i8 %A to i32
|
|
; CHECK: %Y = zext i8 %B to i32
|
|
; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ]
|
|
|
|
define void @test3(i8 %A, i8 %B) personality i32 (...)* @__CxxFrameHandler3 {
|
|
bb:
|
|
%X = zext i8 %A to i32
|
|
invoke void @g(i32 0)
|
|
to label %cont
|
|
unwind label %catch
|
|
|
|
cont:
|
|
%Y = zext i8 %B to i32
|
|
invoke void @g(i32 0)
|
|
to label %cont2
|
|
unwind label %catch
|
|
|
|
cont2:
|
|
invoke void @g(i32 0)
|
|
to label %unreachable
|
|
unwind label %catch
|
|
|
|
catch:
|
|
%phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ]
|
|
%cl = catchpad []
|
|
to label %doit
|
|
unwind label %endpad
|
|
|
|
doit:
|
|
call void @g(i32 %phi)
|
|
unreachable
|
|
|
|
unreachable:
|
|
unreachable
|
|
|
|
endpad:
|
|
catchendpad unwind to caller
|
|
}
|
|
|
|
; CHECK-LABEL: define void @test3(
|
|
; CHECK: %X = zext i8 %A to i32
|
|
; CHECK: %Y = zext i8 %B to i32
|
|
; CHECK: %phi = phi i32 [ %X, %bb ], [ %Y, %cont ], [ %Y, %cont2 ]
|
|
|
|
|
|
declare void @g(i32)
|