1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
; RUN: opt -instcombine -S < %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"
%struct.B = type { i64, i64 }
define void @test1(%struct.B* %p) personality i32 (...)* @__CxxFrameHandler3 {
invoke.cont:
%0 = bitcast %struct.B* %p to <2 x i64>*
%1 = load <2 x i64>, <2 x i64>* %0, align 8
%2 = extractelement <2 x i64> %1, i32 0
invoke void @throw()
to label %unreachable unwind label %catch.dispatch
catch.dispatch: ; preds = %invoke.cont
%cs = catchswitch within none [label %invoke.cont1] unwind label %ehcleanup
invoke.cont1: ; preds = %catch.dispatch
%catch = catchpad within %cs [i8* null, i32 64, i8* null]
invoke void @throw() [ "funclet"(token %catch) ]
to label %unreachable unwind label %ehcleanup
ehcleanup: ; preds = %invoke.cont1, %catch.dispatch
%phi = phi i64 [ %2, %catch.dispatch ], [ 9, %invoke.cont1 ]
%cleanup = cleanuppad within none []
call void @release(i64 %phi) [ "funclet"(token %cleanup) ]
cleanupret from %cleanup unwind to caller
unreachable: ; preds = %invoke.cont1, %invoke.cont
unreachable
}
; CHECK-LABEL: define void @test1(
; CHECK: %[[bc:.*]] = bitcast %struct.B* %p to <2 x i64>*
; CHECK: %[[ld:.*]] = load <2 x i64>, <2 x i64>* %[[bc]], align 8
; CHECK: %[[ee:.*]] = extractelement <2 x i64> %[[ld]], i32 0
; CHECK: %[[phi:.*]] = phi i64 [ %[[ee]], {{.*}} ], [ 9, {{.*}} ]
; CHECK: call void @release(i64 %[[phi]])
declare i32 @__CxxFrameHandler3(...)
declare void @throw()
declare void @release(i64)
|
