diff options
Diffstat (limited to 'test/CodeGen/X86/2010-02-19-TailCallRetAddrBug.ll')
| -rw-r--r-- | test/CodeGen/X86/2010-02-19-TailCallRetAddrBug.ll | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/test/CodeGen/X86/2010-02-19-TailCallRetAddrBug.ll b/test/CodeGen/X86/2010-02-19-TailCallRetAddrBug.ll deleted file mode 100644 index c3b12edf4ceb..000000000000 --- a/test/CodeGen/X86/2010-02-19-TailCallRetAddrBug.ll +++ /dev/null @@ -1,53 +0,0 @@ -; RUN: llc -mcpu=generic -mtriple=i386-apple-darwin -tailcallopt -enable-misched=false < %s | FileCheck %s -; Check that lowered argumens do not overwrite the return address before it is moved. -; Bug 6225 -; -; If a call is a fastcc tail call and tail call optimization is enabled, the -; caller frame is replaced by the callee frame. This can require that arguments are -; placed on the former return address stack slot. Special care needs to be taken -; taken that the return address is moved / or stored in a register before -; lowering of arguments potentially overwrites the value. -; -; Move return address (76(%esp)) to a temporary register (%ebp) -; CHECK: movl 76(%esp), [[REGISTER:%[a-z]+]] -; Overwrite return addresss -; CHECK: movl [[EBX:%[a-z]+]], 76(%esp) -; Move return address from temporary register (%ebp) to new stack location (60(%esp)) -; CHECK: movl [[REGISTER]], 60(%esp) - -%tupl = type [9 x i32] - -declare fastcc void @l297(i32 %r10, i32 %r9, i32 %r8, i32 %r7, i32 %r6, i32 %r5, i32 %r3, i32 %r2) noreturn nounwind -declare fastcc void @l298(i32 %r10, i32 %r9, i32 %r4) noreturn nounwind - -define fastcc void @l186(%tupl* %r1) noreturn nounwind { -entry: - %ptr1 = getelementptr %tupl, %tupl* %r1, i32 0, i32 0 - %r2 = load i32, i32* %ptr1 - %ptr3 = getelementptr %tupl, %tupl* %r1, i32 0, i32 1 - %r3 = load i32, i32* %ptr3 - %ptr5 = getelementptr %tupl, %tupl* %r1, i32 0, i32 2 - %r4 = load i32, i32* %ptr5 - %ptr7 = getelementptr %tupl, %tupl* %r1, i32 0, i32 3 - %r5 = load i32, i32* %ptr7 - %ptr9 = getelementptr %tupl, %tupl* %r1, i32 0, i32 4 - %r6 = load i32, i32* %ptr9 - %ptr11 = getelementptr %tupl, %tupl* %r1, i32 0, i32 5 - %r7 = load i32, i32* %ptr11 - %ptr13 = getelementptr %tupl, %tupl* %r1, i32 0, i32 6 - %r8 = load i32, i32* %ptr13 - %ptr15 = getelementptr %tupl, %tupl* %r1, i32 0, i32 7 - %r9 = load i32, i32* %ptr15 - %ptr17 = getelementptr %tupl, %tupl* %r1, i32 0, i32 8 - %r10 = load i32, i32* %ptr17 - %cond = icmp eq i32 %r10, 3 - br i1 %cond, label %true, label %false - -true: - tail call fastcc void @l297(i32 %r10, i32 %r9, i32 %r8, i32 %r7, i32 %r6, i32 %r5, i32 %r3, i32 %r2) noreturn nounwind - ret void - -false: - tail call fastcc void @l298(i32 %r10, i32 %r9, i32 %r4) noreturn nounwind - ret void -} |
