Teach InstCombine not to use Add and Neg on FP. PR 8490.

[oota-llvm.git] / test / Transforms / InstCombine / select-crash.ll

diff --git a/test/Transforms/InstCombine/select-crash.ll b/test/Transforms/InstCombine/select-crash.ll
new file mode 100644 (file)
index 0000000..8ee3369
--- /dev/null
+++ b/test/Transforms/InstCombine/select-crash.ll
@@ -0,0 +1,20 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+; Formerly crashed, PR8490.
+
+define fastcc double @gimp_operation_color_balance_map(float %value, double %highlights) nounwind readnone inlinehint {
+entry:
+; CHECK: gimp_operation_color_balance_map
+; CHECK: fsub double -0.000000
+  %conv = fpext float %value to double
+  %div = fdiv double %conv, 1.600000e+01
+  %add = fadd double %div, 1.000000e+00
+  %div1 = fdiv double 1.000000e+00, %add
+  %sub = fsub double 1.075000e+00, %div1
+  %sub24 = fsub double 1.000000e+00, %sub
+  %add26 = fadd double %sub, 1.000000e+00
+  %cmp86 = fcmp ogt double %highlights, 0.000000e+00
+  %cond90 = select i1 %cmp86, double %sub24, double %add26
+  %mul91 = fmul double %highlights, %cond90
+  %add94 = fadd double undef, %mul91
+  ret double %add94
+}