[llvm-commits] [llvm] r158121 - /llvm/trunk/test/Transforms/InstCombine/2012-06-06-LoadOfPHIs.ll
Bill Wendling
isanbard at gmail.com
Wed Jun 6 16:36:23 PDT 2012
Author: void
Date: Wed Jun 6 18:36:22 2012
New Revision: 158121
URL: http://llvm.org/viewvc/llvm-project?rev=158121&view=rev
Log:
Another testcase for r156548.
<rdar://problem/10889741>
Added:
llvm/trunk/test/Transforms/InstCombine/2012-06-06-LoadOfPHIs.ll
Added: llvm/trunk/test/Transforms/InstCombine/2012-06-06-LoadOfPHIs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/2012-06-06-LoadOfPHIs.ll?rev=158121&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/2012-06-06-LoadOfPHIs.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/2012-06-06-LoadOfPHIs.ll Wed Jun 6 18:36:22 2012
@@ -0,0 +1,162 @@
+; RUN: opt < %s -instcombiner | FileCheck %s
+; <rdar://problem/10889741>
+
+define void @func(double %r, double %g, double %b, double* %outH, double* %outS, double* %outL) nounwind uwtable ssp {
+bb:
+ %tmp = alloca double, align 8
+ %tmp1 = alloca double, align 8
+ %tmp2 = alloca double, align 8
+ store double %r, double* %tmp, align 8
+ store double %g, double* %tmp1, align 8
+ store double %b, double* %tmp2, align 8
+ %tmp3 = fcmp ogt double %r, %g
+ br i1 %tmp3, label %bb4, label %bb8
+
+bb4: ; preds = %bb
+ %tmp5 = fcmp ogt double %r, %b
+ br i1 %tmp5, label %bb6, label %bb7
+
+bb6: ; preds = %bb4
+ br label %bb12
+
+bb7: ; preds = %bb4
+ br label %bb12
+
+bb8: ; preds = %bb
+ %tmp9 = fcmp ogt double %g, %b
+ br i1 %tmp9, label %bb10, label %bb11
+
+bb10: ; preds = %bb8
+ br label %bb12
+
+bb11: ; preds = %bb8
+ br label %bb12
+
+bb12: ; preds = %bb11, %bb10, %bb7, %bb6
+ %max.0 = phi double* [ %tmp, %bb6 ], [ %tmp2, %bb7 ], [ %tmp1, %bb10 ], [ %tmp2, %bb11 ]
+; CHECK: %tmp13 = load double* %tmp, align 8
+; CHECK: %tmp14 = load double* %tmp1, align 8
+; CHECK: %tmp15 = fcmp olt double %tmp13, %tmp14
+ %tmp13 = load double* %tmp, align 8
+ %tmp14 = load double* %tmp1, align 8
+ %tmp15 = fcmp olt double %tmp13, %tmp14
+ br i1 %tmp15, label %bb16, label %bb21
+
+bb16: ; preds = %bb12
+ %tmp17 = load double* %tmp2, align 8
+ %tmp18 = fcmp olt double %tmp13, %tmp17
+ br i1 %tmp18, label %bb19, label %bb20
+
+bb19: ; preds = %bb16
+ br label %bb26
+
+bb20: ; preds = %bb16
+ br label %bb26
+
+bb21: ; preds = %bb12
+ %tmp22 = load double* %tmp2, align 8
+ %tmp23 = fcmp olt double %tmp14, %tmp22
+ br i1 %tmp23, label %bb24, label %bb25
+
+bb24: ; preds = %bb21
+ br label %bb26
+
+bb25: ; preds = %bb21
+ br label %bb26
+
+bb26: ; preds = %bb25, %bb24, %bb20, %bb19
+ %min.0 = phi double* [ %tmp, %bb19 ], [ %tmp2, %bb20 ], [ %tmp1, %bb24 ], [ %tmp2, %bb25 ]
+; CHECK: %tmp27 = load double* %min.0, align 8
+; CHECK: %tmp28 = load double* %max.0
+; CHECK: %tmp29 = fadd double %tmp27, %tmp28
+ %tmp27 = load double* %min.0, align 8
+ %tmp28 = load double* %max.0
+ %tmp29 = fadd double %tmp27, %tmp28
+ %tmp30 = fdiv double %tmp29, 2.000000e+00
+ store double %tmp30, double* %outL
+ %tmp31 = load double* %min.0
+ %tmp32 = load double* %max.0
+ %tmp33 = fcmp oeq double %tmp31, %tmp32
+ br i1 %tmp33, label %bb34, label %bb35
+
+bb34: ; preds = %bb26
+ store double 0.000000e+00, double* %outS
+ store double 0.000000e+00, double* %outH
+ br label %bb81
+
+bb35: ; preds = %bb26
+ %tmp36 = fcmp olt double %tmp30, 5.000000e-01
+ %tmp37 = fsub double %tmp32, %tmp31
+ br i1 %tmp36, label %bb38, label %bb41
+
+bb38: ; preds = %bb35
+ %tmp39 = fadd double %tmp32, %tmp31
+ %tmp40 = fdiv double %tmp37, %tmp39
+ store double %tmp40, double* %outS
+ br label %bb45
+
+bb41: ; preds = %bb35
+ %tmp42 = fsub double 2.000000e+00, %tmp32
+ %tmp43 = fsub double %tmp42, %tmp31
+ %tmp44 = fdiv double %tmp37, %tmp43
+ store double %tmp44, double* %outS
+ br label %bb45
+
+bb45: ; preds = %bb41, %bb38
+ %tmp46 = icmp eq double* %max.0, %tmp
+ br i1 %tmp46, label %bb47, label %bb55
+
+bb47: ; preds = %bb45
+ %tmp48 = load double* %tmp1, align 8
+ %tmp49 = load double* %tmp2, align 8
+ %tmp50 = fsub double %tmp48, %tmp49
+ %tmp51 = load double* %max.0
+ %tmp52 = load double* %min.0
+ %tmp53 = fsub double %tmp51, %tmp52
+ %tmp54 = fdiv double %tmp50, %tmp53
+ store double %tmp54, double* %outH
+ br label %bb75
+
+bb55: ; preds = %bb45
+ %tmp56 = icmp eq double* %max.0, %tmp1
+ br i1 %tmp56, label %bb57, label %bb66
+
+bb57: ; preds = %bb55
+ %tmp58 = load double* %tmp2, align 8
+ %tmp59 = load double* %tmp, align 8
+ %tmp60 = fsub double %tmp58, %tmp59
+ %tmp61 = load double* %max.0
+ %tmp62 = load double* %min.0
+ %tmp63 = fsub double %tmp61, %tmp62
+ %tmp64 = fdiv double %tmp60, %tmp63
+ %tmp65 = fadd double 2.000000e+00, %tmp64
+ store double %tmp65, double* %outH
+ br label %bb75
+
+bb66: ; preds = %bb55
+ %tmp67 = load double* %tmp, align 8
+ %tmp68 = load double* %tmp1, align 8
+ %tmp69 = fsub double %tmp67, %tmp68
+ %tmp70 = load double* %max.0
+ %tmp71 = load double* %min.0
+ %tmp72 = fsub double %tmp70, %tmp71
+ %tmp73 = fdiv double %tmp69, %tmp72
+ %tmp74 = fadd double 4.000000e+00, %tmp73
+ store double %tmp74, double* %outH
+ br label %bb75
+
+bb75: ; preds = %bb66, %bb57, %bb47
+ %tmp76 = load double* %outH
+ %tmp77 = fdiv double %tmp76, 6.000000e+00
+ store double %tmp77, double* %outH
+ %tmp78 = fcmp olt double %tmp77, 0.000000e+00
+ br i1 %tmp78, label %bb79, label %bb81
+
+bb79: ; preds = %bb75
+ %tmp80 = fadd double %tmp77, 1.000000e+00
+ store double %tmp80, double* %outH
+ br label %bb81
+
+bb81: ; preds = %bb79, %bb75, %bb34
+ ret void
+}
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