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llvm-mirror/test/CodeGen/X86/2006-05-11-InstrSched.ll
Dan Gohman c40eb525ad Reapply the new LoopStrengthReduction code, with compile time and
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.

This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.

llvm-svn: 95975
2010-02-12 10:34:29 +00:00

52 lines
2.8 KiB
LLVM

; RUN: llc < %s -march=x86 -mattr=+sse2 -stats -realign-stack=0 |&\
; RUN: grep {asm-printer} | grep 34
target datalayout = "e-p:32:32"
define void @foo(i32* %mc, i32* %bp, i32* %ms, i32* %xmb, i32* %mpp, i32* %tpmm, i32* %ip, i32* %tpim, i32* %dpp, i32* %tpdm, i32* %bpi, i32 %M) nounwind {
entry:
%tmp9 = icmp slt i32 %M, 5 ; <i1> [#uses=1]
br i1 %tmp9, label %return, label %cond_true
cond_true: ; preds = %cond_true, %entry
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2]
%tmp. = shl i32 %indvar, 2 ; <i32> [#uses=1]
%tmp.10 = add nsw i32 %tmp., 1 ; <i32> [#uses=2]
%tmp31 = add nsw i32 %tmp.10, -1 ; <i32> [#uses=4]
%tmp32 = getelementptr i32* %mpp, i32 %tmp31 ; <i32*> [#uses=1]
%tmp34 = bitcast i32* %tmp32 to <16 x i8>* ; <i8*> [#uses=1]
%tmp = load <16 x i8>* %tmp34, align 1
%tmp42 = getelementptr i32* %tpmm, i32 %tmp31 ; <i32*> [#uses=1]
%tmp42.upgrd.1 = bitcast i32* %tmp42 to <4 x i32>* ; <<4 x i32>*> [#uses=1]
%tmp46 = load <4 x i32>* %tmp42.upgrd.1 ; <<4 x i32>> [#uses=1]
%tmp54 = bitcast <16 x i8> %tmp to <4 x i32> ; <<4 x i32>> [#uses=1]
%tmp55 = add <4 x i32> %tmp54, %tmp46 ; <<4 x i32>> [#uses=2]
%tmp55.upgrd.2 = bitcast <4 x i32> %tmp55 to <2 x i64> ; <<2 x i64>> [#uses=1]
%tmp62 = getelementptr i32* %ip, i32 %tmp31 ; <i32*> [#uses=1]
%tmp65 = bitcast i32* %tmp62 to <16 x i8>* ; <i8*> [#uses=1]
%tmp66 = load <16 x i8>* %tmp65, align 1
%tmp73 = getelementptr i32* %tpim, i32 %tmp31 ; <i32*> [#uses=1]
%tmp73.upgrd.3 = bitcast i32* %tmp73 to <4 x i32>* ; <<4 x i32>*> [#uses=1]
%tmp77 = load <4 x i32>* %tmp73.upgrd.3 ; <<4 x i32>> [#uses=1]
%tmp87 = bitcast <16 x i8> %tmp66 to <4 x i32> ; <<4 x i32>> [#uses=1]
%tmp88 = add <4 x i32> %tmp87, %tmp77 ; <<4 x i32>> [#uses=2]
%tmp88.upgrd.4 = bitcast <4 x i32> %tmp88 to <2 x i64> ; <<2 x i64>> [#uses=1]
%tmp99 = tail call <4 x i32> @llvm.x86.sse2.pcmpgt.d( <4 x i32> %tmp88, <4 x i32> %tmp55 ) ; <<4 x i32>> [#uses=1]
%tmp99.upgrd.5 = bitcast <4 x i32> %tmp99 to <2 x i64> ; <<2 x i64>> [#uses=2]
%tmp110 = xor <2 x i64> %tmp99.upgrd.5, < i64 -1, i64 -1 > ; <<2 x i64>> [#uses=1]
%tmp111 = and <2 x i64> %tmp110, %tmp55.upgrd.2 ; <<2 x i64>> [#uses=1]
%tmp121 = and <2 x i64> %tmp99.upgrd.5, %tmp88.upgrd.4 ; <<2 x i64>> [#uses=1]
%tmp131 = or <2 x i64> %tmp121, %tmp111 ; <<2 x i64>> [#uses=1]
%tmp137 = getelementptr i32* %mc, i32 %tmp.10 ; <i32*> [#uses=1]
%tmp137.upgrd.7 = bitcast i32* %tmp137 to <2 x i64>* ; <<2 x i64>*> [#uses=1]
store <2 x i64> %tmp131, <2 x i64>* %tmp137.upgrd.7
%tmp147 = add nsw i32 %tmp.10, 8 ; <i32> [#uses=1]
%tmp.upgrd.8 = icmp ne i32 %tmp147, %M ; <i1> [#uses=1]
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
br i1 %tmp.upgrd.8, label %cond_true, label %return
return: ; preds = %cond_true, %entry
ret void
}
declare <4 x i32> @llvm.x86.sse2.pcmpgt.d(<4 x i32>, <4 x i32>)