llvm/test/CodeGen/X86/loop-strength-reduce2.ll
Evan Cheng 012397489b Add nounwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11 07:11:02 +00:00

30 lines
1.2 KiB
LLVM

; RUN: llc < %s -mtriple=i686-apple-darwin -relocation-model=pic | grep {\$pb} | grep mov
;
; Make sure the PIC label flags2-"L1$pb" is not moved up to the preheader.
@flags2 = internal global [8193 x i8] zeroinitializer, align 32 ; <[8193 x i8]*> [#uses=1]
define void @test(i32 %k, i32 %i) nounwind {
entry:
%k_addr.012 = shl i32 %i, 1 ; <i32> [#uses=1]
%tmp14 = icmp sgt i32 %k_addr.012, 8192 ; <i1> [#uses=1]
br i1 %tmp14, label %return, label %bb
bb: ; preds = %bb, %entry
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]
%tmp. = shl i32 %i, 1 ; <i32> [#uses=1]
%tmp.15 = mul i32 %indvar, %i ; <i32> [#uses=1]
%tmp.16 = add i32 %tmp.15, %tmp. ; <i32> [#uses=2]
%k_addr.0.0 = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
%gep.upgrd.1 = zext i32 %tmp.16 to i64 ; <i64> [#uses=1]
%tmp = getelementptr [8193 x i8]* @flags2, i32 0, i64 %gep.upgrd.1 ; <i8*> [#uses=1]
store i8 0, i8* %tmp
%k_addr.0 = add i32 %k_addr.0.0, %i ; <i32> [#uses=1]
%tmp.upgrd.2 = icmp sgt i32 %k_addr.0, 8192 ; <i1> [#uses=1]
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
br i1 %tmp.upgrd.2, label %return, label %bb
return: ; preds = %bb, %entry
ret void
}