2009-03-16-PHIElimInLPad.ll
734 Bytes
; RUN: llc < %s -mtriple=i686-linux -asm-verbose | FileCheck %s
; Check that register copies in the landing pad come after the EH_LABEL
declare i32 @f()
define i32 @phi(i32 %x) personality i32 (...)* @__gxx_personality_v0 {
entry:
%a = invoke i32 @f()
to label %cont unwind label %lpad ; <i32> [#uses=1]
cont: ; preds = %entry
%b = invoke i32 @f()
to label %cont2 unwind label %lpad ; <i32> [#uses=1]
cont2: ; preds = %cont
ret i32 %b
lpad: ; preds = %cont, %entry
%v = phi i32 [ %x, %entry ], [ %a, %cont ] ; <i32> [#uses=1]
%exn = landingpad {i8*, i32}
cleanup
ret i32 %v
}
; CHECK: lpad
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: Ltmp
declare i32 @__gxx_personality_v0(...)