[llvm-commits] [llvm] r160067 - /llvm/trunk/test/CodeGen/Mips/sitofp-selectcc-opt.ll

[Akira Hatanaka]

Author: ahatanak
Date: Wed Jul 11 14:50:46 2012
New Revision: 160067

URL: http://llvm.org/viewvc/llvm-project?rev=160067&view=rev
Log:
Test case for r160036.

Added:
    llvm/trunk/test/CodeGen/Mips/sitofp-selectcc-opt.ll

Added: llvm/trunk/test/CodeGen/Mips/sitofp-selectcc-opt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Mips/sitofp-selectcc-opt.ll?rev=160067&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Mips/sitofp-selectcc-opt.ll (added)
+++ llvm/trunk/test/CodeGen/Mips/sitofp-selectcc-opt.ll Wed Jul 11 14:50:46 2012
@@ -0,0 +1,22 @@
+; RUN: llc -march=mipsel < %s | FileCheck %s
+
+ at foo12.d4 = internal unnamed_addr global double 0.000000e+00, align 8
+
+define double @foo12(i32 %a, i32, i64 %b) nounwind {
+entry:
+; check that this transformation doesn't happen:
+; (sint_to_fp (setcc x, y, cc)) -> (select_cc x, y, -1.0, 0.0,, cc)
+;
+; CHECK-NOT:   # double -1.000000e+00
+
+  %tobool1 = icmp ne i32 %a, 0
+  %not.tobool = icmp ne i64 %b, 0
+  %tobool1. = or i1 %tobool1, %not.tobool
+  %lor.ext = zext i1 %tobool1. to i32
+  %conv = sitofp i32 %lor.ext to double
+  %1 = load double* @foo12.d4, align 8
+  %add = fadd double %conv, %1
+  store double %add, double* @foo12.d4, align 8
+  ret double %add
+}
+