Files
swift-mirror/test/Optimizer/crash.ll
Chris Lattner 712c8c68de fix rdar://11558546 - Don't push a release past the instruction
that defines the pointer being released.


Swift SVN r2078
2012-05-30 20:42:16 +00:00

36 lines
2.0 KiB
LLVM

; RUN: %swift -arc-optimize %s
target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin11.3.0"
%swift.refcounted = type { %swift.heapmetadata*, i64 }
%swift.heapmetadata = type { i64 (%swift.refcounted*)*, i64 (%swift.refcounted*)* }
declare { i8*, i64, %swift.refcounted* } @_TSsop1pFT3lhsNSs6String3rhsS__S_(i8*, i64, %swift.refcounted*, i8*, i64, %swift.refcounted*)
declare { i8*, i64, %swift.refcounted* } @_TNSs6String24convertFromStringLiteralFT3valp_S_(i8*)
declare void @swift_release(%swift.refcounted* nocapture)
@0 = private unnamed_addr constant [3 x i8] c"So\00"
@1 = private unnamed_addr constant [3 x i8] c"me\00"
; rdar://11558546
define void @release_past_extract() {
entry:
%0 = call { i8*, i64, %swift.refcounted* } @_TNSs6String24convertFromStringLiteralFT3valp_S_(i8* getelementptr inbounds ([3 x i8]* @0, i32 0, i32 0))
%1 = extractvalue { i8*, i64, %swift.refcounted* } %0, 0
%2 = extractvalue { i8*, i64, %swift.refcounted* } %0, 1
%3 = extractvalue { i8*, i64, %swift.refcounted* } %0, 2
%4 = call { i8*, i64, %swift.refcounted* } @_TNSs6String24convertFromStringLiteralFT3valp_S_(i8* getelementptr inbounds ([3 x i8]* @1, i32 0, i32 0))
%5 = extractvalue { i8*, i64, %swift.refcounted* } %4, 0
%6 = extractvalue { i8*, i64, %swift.refcounted* } %4, 1
%7 = extractvalue { i8*, i64, %swift.refcounted* } %4, 2
%8 = call { i8*, i64, %swift.refcounted* } @_TSsop1pFT3lhsNSs6String3rhsS__S_(i8* %1, i64 %2, %swift.refcounted* %3, i8* %5, i64 %6, %swift.refcounted* %7)
%9 = extractvalue { i8*, i64, %swift.refcounted* } %8, 0
%10 = extractvalue { i8*, i64, %swift.refcounted* } %8, 1
%11 = extractvalue { i8*, i64, %swift.refcounted* } %8, 2
call void @swift_release(%swift.refcounted* null) nounwind
call void @swift_release(%swift.refcounted* %11) nounwind
ret void
}