Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/lsr-normalization.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 54457678186b |
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; RUN: llc < %s -march=x86-64 | FileCheck %s ; rdar://8168938 ; This testcase involves SCEV normalization with the exit value from ; one loop involved with the increment value for an addrec on another ; loop. The expression should be properly normalized and simplified, ; and require only a single division. ; CHECK: div ; CHECK-NOT: div %0 = type { %0*, %0* } @0 = private constant [13 x i8] c"Result: %lu\0A\00" ; <[13 x i8]*> [#uses=1] @1 = internal constant [5 x i8] c"Huh?\00" ; <[5 x i8]*> [#uses=1] define i32 @main(i32 %arg, i8** nocapture %arg1) nounwind { bb: %tmp = alloca %0, align 8 ; <%0*> [#uses=11] %tmp2 = bitcast %0* %tmp to i8* ; <i8*> [#uses=1] call void @llvm.memset.p0i8.i64(i8* %tmp2, i8 0, i64 16, i32 8, i1 false) nounwind %tmp3 = getelementptr inbounds %0* %tmp, i64 0, i32 0 ; <%0**> [#uses=3] store %0* %tmp, %0** %tmp3 %tmp4 = getelementptr inbounds %0* %tmp, i64 0, i32 1 ; <%0**> [#uses=1] store %0* %tmp, %0** %tmp4 %tmp5 = call noalias i8* @_Znwm(i64 24) nounwind ; <i8*> [#uses=2] %tmp6 = getelementptr inbounds i8* %tmp5, i64 16 ; <i8*> [#uses=2] %tmp7 = icmp eq i8* %tmp6, null ; <i1> [#uses=1] br i1 %tmp7, label %bb10, label %bb8 bb8: ; preds = %bb %tmp9 = bitcast i8* %tmp6 to i32* ; <i32*> [#uses=1] store i32 1, i32* %tmp9 br label %bb10 bb10: ; preds = %bb8, %bb %tmp11 = bitcast i8* %tmp5 to %0* ; <%0*> [#uses=1] call void @_ZNSt15_List_node_base4hookEPS_(%0* %tmp11, %0* %tmp) nounwind %tmp12 = load %0** %tmp3 ; <%0*> [#uses=3] %tmp13 = icmp eq %0* %tmp12, %tmp ; <i1> [#uses=1] br i1 %tmp13, label %bb14, label %bb16 bb14: ; preds = %bb10 %tmp15 = call i32 @puts(i8* getelementptr inbounds ([5 x i8]* @1, i64 0, i64 0)) br label %bb35 bb16: ; preds = %bb16, %bb10 %tmp17 = phi i64 [ %tmp22, %bb16 ], [ 0, %bb10 ] ; <i64> [#uses=1] %tmp18 = phi %0* [ %tmp20, %bb16 ], [ %tmp12, %bb10 ] ; <%0*> [#uses=1] %tmp19 = getelementptr inbounds %0* %tmp18, i64 0, i32 0 ; <%0**> [#uses=1] %tmp20 = load %0** %tmp19 ; <%0*> [#uses=2] %tmp21 = icmp eq %0* %tmp20, %tmp ; <i1> [#uses=1] %tmp22 = add i64 %tmp17, 1 ; <i64> [#uses=2] br i1 %tmp21, label %bb23, label %bb16 bb23: ; preds = %bb16 %tmp24 = udiv i64 100, %tmp22 ; <i64> [#uses=1] br label %bb25 bb25: ; preds = %bb25, %bb23 %tmp26 = phi i64 [ %tmp31, %bb25 ], [ 0, %bb23 ] ; <i64> [#uses=1] %tmp27 = phi %0* [ %tmp29, %bb25 ], [ %tmp12, %bb23 ] ; <%0*> [#uses=1] %tmp28 = getelementptr inbounds %0* %tmp27, i64 0, i32 0 ; <%0**> [#uses=1] %tmp29 = load %0** %tmp28 ; <%0*> [#uses=2] %tmp30 = icmp eq %0* %tmp29, %tmp ; <i1> [#uses=1] %tmp31 = add i64 %tmp26, 1 ; <i64> [#uses=2] br i1 %tmp30, label %bb32, label %bb25 bb32: ; preds = %bb25 %tmp33 = mul i64 %tmp31, %tmp24 ; <i64> [#uses=1] %tmp34 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @0, i64 0, i64 0), i64 %tmp33) nounwind br label %bb35 bb35: ; preds = %bb32, %bb14 %tmp36 = load %0** %tmp3 ; <%0*> [#uses=2] %tmp37 = icmp eq %0* %tmp36, %tmp ; <i1> [#uses=1] br i1 %tmp37, label %bb44, label %bb38 bb38: ; preds = %bb38, %bb35 %tmp39 = phi %0* [ %tmp41, %bb38 ], [ %tmp36, %bb35 ] ; <%0*> [#uses=2] %tmp40 = getelementptr inbounds %0* %tmp39, i64 0, i32 0 ; <%0**> [#uses=1] %tmp41 = load %0** %tmp40 ; <%0*> [#uses=2] %tmp42 = bitcast %0* %tmp39 to i8* ; <i8*> [#uses=1] call void @_ZdlPv(i8* %tmp42) nounwind %tmp43 = icmp eq %0* %tmp41, %tmp ; <i1> [#uses=1] br i1 %tmp43, label %bb44, label %bb38 bb44: ; preds = %bb38, %bb35 ret i32 0 } declare i32 @printf(i8* nocapture, ...) nounwind declare void @_ZNSt15_List_node_base4hookEPS_(%0*, %0*) declare noalias i8* @_Znwm(i64) declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind declare void @_ZdlPv(i8*) nounwind declare i32 @puts(i8* nocapture) nounwind