llvm-6502/test/CodeGen/X86/2009-09-19-SchedCustomLoweringBug.ll
Dan Gohman d84ea47b89 Don't enable the post-RA scheduler on x86 except at -O3. In its
current form, it is too expensive in compile time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90781 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 19:04:31 +00:00

30 lines
948 B
LLVM

; RUN: llc < %s -mtriple=i386-apple-darwin10 -post-RA-scheduler=true | FileCheck %s
; PR4958
define i32 @main() nounwind ssp {
entry:
; CHECK: main:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
br label %bb
bb: ; preds = %bb1, %entry
; CHECK: addl $1
; CHECK-NEXT: movl %e
; CHECK-NEXT: adcl $0
%i.0 = phi i64 [ 0, %entry ], [ %0, %bb1 ] ; <i64> [#uses=1]
%0 = add nsw i64 %i.0, 1 ; <i64> [#uses=2]
%1 = icmp sgt i32 0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb2, label %bb1
bb1: ; preds = %bb
%2 = icmp sle i64 %0, 1 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb2
bb2: ; preds = %bb1, %bb
br label %return
return: ; preds = %bb2
ret i32 0
}