[llvm-commits] [llvm] r47302 - /llvm/trunk/test/CodeGen/X86/2008-02-18-TailMergingBug.ll
Evan Cheng
evan.cheng at apple.com
Mon Feb 18 18:09:58 PST 2008
Author: evancheng
Date: Mon Feb 18 20:09:58 2008
New Revision: 47302
URL: http://llvm.org/viewvc/llvm-project?rev=47302&view=rev
Log:
New test.
Added:
llvm/trunk/test/CodeGen/X86/2008-02-18-TailMergingBug.ll
Added: llvm/trunk/test/CodeGen/X86/2008-02-18-TailMergingBug.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2008-02-18-TailMergingBug.ll?rev=47302&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/2008-02-18-TailMergingBug.ll (added)
+++ llvm/trunk/test/CodeGen/X86/2008-02-18-TailMergingBug.ll Mon Feb 18 20:09:58 2008
@@ -0,0 +1,219 @@
+; RUN: llvm-as < %s | llc -march=x86 -stats -info-output-file | grep "Number of block tails merged" | grep 6
+; PR1909
+
+ at .str = internal constant [48 x i8] c"transformed bounds: (%.2f, %.2f), (%.2f, %.2f)\0A\00" ; <[48 x i8]*> [#uses=1]
+
+define void @minmax(float* %result) nounwind {
+entry:
+ %tmp2 = load float* %result, align 4 ; <float> [#uses=6]
+ %tmp4 = getelementptr float* %result, i32 2 ; <float*> [#uses=5]
+ %tmp5 = load float* %tmp4, align 4 ; <float> [#uses=10]
+ %tmp7 = getelementptr float* %result, i32 4 ; <float*> [#uses=5]
+ %tmp8 = load float* %tmp7, align 4 ; <float> [#uses=8]
+ %tmp10 = getelementptr float* %result, i32 6 ; <float*> [#uses=3]
+ %tmp11 = load float* %tmp10, align 4 ; <float> [#uses=8]
+ %tmp12 = fcmp olt float %tmp8, %tmp11 ; <i1> [#uses=5]
+ br i1 %tmp12, label %bb, label %bb21
+
+bb: ; preds = %entry
+ %tmp23469 = fcmp olt float %tmp5, %tmp8 ; <i1> [#uses=1]
+ br i1 %tmp23469, label %bb26, label %bb30
+
+bb21: ; preds = %entry
+ %tmp23 = fcmp olt float %tmp5, %tmp11 ; <i1> [#uses=1]
+ br i1 %tmp23, label %bb26, label %bb30
+
+bb26: ; preds = %bb21, %bb
+ %tmp52471 = fcmp olt float %tmp2, %tmp5 ; <i1> [#uses=1]
+ br i1 %tmp52471, label %bb111, label %bb59
+
+bb30: ; preds = %bb21, %bb
+ br i1 %tmp12, label %bb40, label %bb50
+
+bb40: ; preds = %bb30
+ %tmp52473 = fcmp olt float %tmp2, %tmp8 ; <i1> [#uses=1]
+ br i1 %tmp52473, label %bb111, label %bb59
+
+bb50: ; preds = %bb30
+ %tmp52 = fcmp olt float %tmp2, %tmp11 ; <i1> [#uses=1]
+ br i1 %tmp52, label %bb111, label %bb59
+
+bb59: ; preds = %bb50, %bb40, %bb26
+ br i1 %tmp12, label %bb72, label %bb80
+
+bb72: ; preds = %bb59
+ %tmp82475 = fcmp olt float %tmp5, %tmp8 ; <i1> [#uses=2]
+ %brmerge786 = or i1 %tmp82475, %tmp12 ; <i1> [#uses=1]
+ %tmp4.mux787 = select i1 %tmp82475, float* %tmp4, float* %tmp7 ; <float*> [#uses=1]
+ br i1 %brmerge786, label %bb111, label %bb103
+
+bb80: ; preds = %bb59
+ %tmp82 = fcmp olt float %tmp5, %tmp11 ; <i1> [#uses=2]
+ %brmerge = or i1 %tmp82, %tmp12 ; <i1> [#uses=1]
+ %tmp4.mux = select i1 %tmp82, float* %tmp4, float* %tmp7 ; <float*> [#uses=1]
+ br i1 %brmerge, label %bb111, label %bb103
+
+bb103: ; preds = %bb80, %bb72
+ br label %bb111
+
+bb111: ; preds = %bb103, %bb80, %bb72, %bb50, %bb40, %bb26
+ %iftmp.0.0.in = phi float* [ %tmp10, %bb103 ], [ %result, %bb26 ], [ %result, %bb40 ], [ %result, %bb50 ], [ %tmp4.mux, %bb80 ], [ %tmp4.mux787, %bb72 ] ; <float*> [#uses=1]
+ %iftmp.0.0 = load float* %iftmp.0.0.in ; <float> [#uses=1]
+ %tmp125 = fcmp ogt float %tmp8, %tmp11 ; <i1> [#uses=5]
+ br i1 %tmp125, label %bb128, label %bb136
+
+bb128: ; preds = %bb111
+ %tmp138477 = fcmp ogt float %tmp5, %tmp8 ; <i1> [#uses=1]
+ br i1 %tmp138477, label %bb141, label %bb145
+
+bb136: ; preds = %bb111
+ %tmp138 = fcmp ogt float %tmp5, %tmp11 ; <i1> [#uses=1]
+ br i1 %tmp138, label %bb141, label %bb145
+
+bb141: ; preds = %bb136, %bb128
+ %tmp167479 = fcmp ogt float %tmp2, %tmp5 ; <i1> [#uses=1]
+ br i1 %tmp167479, label %bb226, label %bb174
+
+bb145: ; preds = %bb136, %bb128
+ br i1 %tmp125, label %bb155, label %bb165
+
+bb155: ; preds = %bb145
+ %tmp167481 = fcmp ogt float %tmp2, %tmp8 ; <i1> [#uses=1]
+ br i1 %tmp167481, label %bb226, label %bb174
+
+bb165: ; preds = %bb145
+ %tmp167 = fcmp ogt float %tmp2, %tmp11 ; <i1> [#uses=1]
+ br i1 %tmp167, label %bb226, label %bb174
+
+bb174: ; preds = %bb165, %bb155, %bb141
+ br i1 %tmp125, label %bb187, label %bb195
+
+bb187: ; preds = %bb174
+ %tmp197483 = fcmp ogt float %tmp5, %tmp8 ; <i1> [#uses=2]
+ %brmerge790 = or i1 %tmp197483, %tmp125 ; <i1> [#uses=1]
+ %tmp4.mux791 = select i1 %tmp197483, float* %tmp4, float* %tmp7 ; <float*> [#uses=1]
+ br i1 %brmerge790, label %bb226, label %bb218
+
+bb195: ; preds = %bb174
+ %tmp197 = fcmp ogt float %tmp5, %tmp11 ; <i1> [#uses=2]
+ %brmerge788 = or i1 %tmp197, %tmp125 ; <i1> [#uses=1]
+ %tmp4.mux789 = select i1 %tmp197, float* %tmp4, float* %tmp7 ; <float*> [#uses=1]
+ br i1 %brmerge788, label %bb226, label %bb218
+
+bb218: ; preds = %bb195, %bb187
+ br label %bb226
+
+bb226: ; preds = %bb218, %bb195, %bb187, %bb165, %bb155, %bb141
+ %iftmp.7.0.in = phi float* [ %tmp10, %bb218 ], [ %result, %bb141 ], [ %result, %bb155 ], [ %result, %bb165 ], [ %tmp4.mux789, %bb195 ], [ %tmp4.mux791, %bb187 ] ; <float*> [#uses=1]
+ %iftmp.7.0 = load float* %iftmp.7.0.in ; <float> [#uses=1]
+ %tmp229 = getelementptr float* %result, i32 1 ; <float*> [#uses=7]
+ %tmp230 = load float* %tmp229, align 4 ; <float> [#uses=6]
+ %tmp232 = getelementptr float* %result, i32 3 ; <float*> [#uses=5]
+ %tmp233 = load float* %tmp232, align 4 ; <float> [#uses=10]
+ %tmp235 = getelementptr float* %result, i32 5 ; <float*> [#uses=5]
+ %tmp236 = load float* %tmp235, align 4 ; <float> [#uses=8]
+ %tmp238 = getelementptr float* %result, i32 7 ; <float*> [#uses=3]
+ %tmp239 = load float* %tmp238, align 4 ; <float> [#uses=8]
+ %tmp240 = fcmp olt float %tmp236, %tmp239 ; <i1> [#uses=5]
+ br i1 %tmp240, label %bb243, label %bb251
+
+bb243: ; preds = %bb226
+ %tmp253485 = fcmp olt float %tmp233, %tmp236 ; <i1> [#uses=1]
+ br i1 %tmp253485, label %bb256, label %bb260
+
+bb251: ; preds = %bb226
+ %tmp253 = fcmp olt float %tmp233, %tmp239 ; <i1> [#uses=1]
+ br i1 %tmp253, label %bb256, label %bb260
+
+bb256: ; preds = %bb251, %bb243
+ %tmp282487 = fcmp olt float %tmp230, %tmp233 ; <i1> [#uses=1]
+ br i1 %tmp282487, label %bb341, label %bb289
+
+bb260: ; preds = %bb251, %bb243
+ br i1 %tmp240, label %bb270, label %bb280
+
+bb270: ; preds = %bb260
+ %tmp282489 = fcmp olt float %tmp230, %tmp236 ; <i1> [#uses=1]
+ br i1 %tmp282489, label %bb341, label %bb289
+
+bb280: ; preds = %bb260
+ %tmp282 = fcmp olt float %tmp230, %tmp239 ; <i1> [#uses=1]
+ br i1 %tmp282, label %bb341, label %bb289
+
+bb289: ; preds = %bb280, %bb270, %bb256
+ br i1 %tmp240, label %bb302, label %bb310
+
+bb302: ; preds = %bb289
+ %tmp312491 = fcmp olt float %tmp233, %tmp236 ; <i1> [#uses=2]
+ %brmerge793 = or i1 %tmp312491, %tmp240 ; <i1> [#uses=1]
+ %tmp232.mux794 = select i1 %tmp312491, float* %tmp232, float* %tmp235 ; <float*> [#uses=1]
+ br i1 %brmerge793, label %bb341, label %bb333
+
+bb310: ; preds = %bb289
+ %tmp312 = fcmp olt float %tmp233, %tmp239 ; <i1> [#uses=2]
+ %brmerge792 = or i1 %tmp312, %tmp240 ; <i1> [#uses=1]
+ %tmp232.mux = select i1 %tmp312, float* %tmp232, float* %tmp235 ; <float*> [#uses=1]
+ br i1 %brmerge792, label %bb341, label %bb333
+
+bb333: ; preds = %bb310, %bb302
+ br label %bb341
+
+bb341: ; preds = %bb333, %bb310, %bb302, %bb280, %bb270, %bb256
+ %iftmp.14.0.in = phi float* [ %tmp238, %bb333 ], [ %tmp229, %bb280 ], [ %tmp229, %bb270 ], [ %tmp229, %bb256 ], [ %tmp232.mux, %bb310 ], [ %tmp232.mux794, %bb302 ] ; <float*> [#uses=1]
+ %iftmp.14.0 = load float* %iftmp.14.0.in ; <float> [#uses=1]
+ %tmp355 = fcmp ogt float %tmp236, %tmp239 ; <i1> [#uses=5]
+ br i1 %tmp355, label %bb358, label %bb366
+
+bb358: ; preds = %bb341
+ %tmp368493 = fcmp ogt float %tmp233, %tmp236 ; <i1> [#uses=1]
+ br i1 %tmp368493, label %bb371, label %bb375
+
+bb366: ; preds = %bb341
+ %tmp368 = fcmp ogt float %tmp233, %tmp239 ; <i1> [#uses=1]
+ br i1 %tmp368, label %bb371, label %bb375
+
+bb371: ; preds = %bb366, %bb358
+ %tmp397495 = fcmp ogt float %tmp230, %tmp233 ; <i1> [#uses=1]
+ br i1 %tmp397495, label %bb456, label %bb404
+
+bb375: ; preds = %bb366, %bb358
+ br i1 %tmp355, label %bb385, label %bb395
+
+bb385: ; preds = %bb375
+ %tmp397497 = fcmp ogt float %tmp230, %tmp236 ; <i1> [#uses=1]
+ br i1 %tmp397497, label %bb456, label %bb404
+
+bb395: ; preds = %bb375
+ %tmp397 = fcmp ogt float %tmp230, %tmp239 ; <i1> [#uses=1]
+ br i1 %tmp397, label %bb456, label %bb404
+
+bb404: ; preds = %bb395, %bb385, %bb371
+ br i1 %tmp355, label %bb417, label %bb425
+
+bb417: ; preds = %bb404
+ %tmp427499 = fcmp ogt float %tmp233, %tmp236 ; <i1> [#uses=2]
+ %brmerge797 = or i1 %tmp427499, %tmp355 ; <i1> [#uses=1]
+ %tmp232.mux798 = select i1 %tmp427499, float* %tmp232, float* %tmp235 ; <float*> [#uses=1]
+ br i1 %brmerge797, label %bb456, label %bb448
+
+bb425: ; preds = %bb404
+ %tmp427 = fcmp ogt float %tmp233, %tmp239 ; <i1> [#uses=2]
+ %brmerge795 = or i1 %tmp427, %tmp355 ; <i1> [#uses=1]
+ %tmp232.mux796 = select i1 %tmp427, float* %tmp232, float* %tmp235 ; <float*> [#uses=1]
+ br i1 %brmerge795, label %bb456, label %bb448
+
+bb448: ; preds = %bb425, %bb417
+ br label %bb456
+
+bb456: ; preds = %bb448, %bb425, %bb417, %bb395, %bb385, %bb371
+ %iftmp.21.0.in = phi float* [ %tmp238, %bb448 ], [ %tmp229, %bb395 ], [ %tmp229, %bb385 ], [ %tmp229, %bb371 ], [ %tmp232.mux796, %bb425 ], [ %tmp232.mux798, %bb417 ] ; <float*> [#uses=1]
+ %iftmp.21.0 = load float* %iftmp.21.0.in ; <float> [#uses=1]
+ %tmp458459 = fpext float %iftmp.21.0 to double ; <double> [#uses=1]
+ %tmp460461 = fpext float %iftmp.7.0 to double ; <double> [#uses=1]
+ %tmp462463 = fpext float %iftmp.14.0 to double ; <double> [#uses=1]
+ %tmp464465 = fpext float %iftmp.0.0 to double ; <double> [#uses=1]
+ %tmp467 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([48 x i8]* @.str, i32 0, i32 0), double %tmp464465, double %tmp462463, double %tmp460461, double %tmp458459 ) nounwind ; <i32> [#uses=0]
+ ret void
+}
+
+declare i32 @printf(i8*, ...) nounwind
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