Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/lsr-negative-stride.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 | 803732b1fca8 |
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; RUN: llc < %s -march=x86 > %t ; RUN: not grep neg %t ; RUN: not grep sub.*esp %t ; RUN: not grep esi %t ; RUN: not grep push %t ; This corresponds to: ;int t(int a, int b) { ; while (a != b) { ; if (a > b) ; a -= b; ; else ; b -= a; ; } ; return a; ;} define i32 @t(i32 %a, i32 %b) nounwind { entry: %tmp1434 = icmp eq i32 %a, %b ; <i1> [#uses=1] br i1 %tmp1434, label %bb17, label %bb.outer bb.outer: ; preds = %cond_false, %entry %b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ] ; <i32> [#uses=5] %a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1] br label %bb bb: ; preds = %cond_true, %bb.outer %indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2] %tmp. = sub i32 0, %b_addr.021.0.ph ; <i32> [#uses=1] %tmp.40 = mul i32 %indvar, %tmp. ; <i32> [#uses=1] %a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph ; <i32> [#uses=6] %tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph ; <i1> [#uses=1] br i1 %tmp3, label %cond_true, label %cond_false cond_true: ; preds = %bb %tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph ; <i32> [#uses=2] %tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph ; <i1> [#uses=1] %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] br i1 %tmp1437, label %bb17, label %bb cond_false: ; preds = %bb %tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0 ; <i32> [#uses=2] %tmp14 = icmp eq i32 %a_addr.026.0, %tmp10 ; <i1> [#uses=1] br i1 %tmp14, label %bb17, label %bb.outer bb17: ; preds = %cond_false, %cond_true, %entry %a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1] ret i32 %a_addr.026.1 }