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authorAkira Hatanaka <ahatanaka@mips.com>2012-07-11 19:50:46 +0000
committerAkira Hatanaka <ahatanaka@mips.com>2012-07-11 19:50:46 +0000
commitce66afb22d8395233bcfd8b5c168079ea6f9a154 (patch)
tree2c5fbaae04d5dbabd7ac795653cde0e2a8958c21 /test/CodeGen/Mips/sitofp-selectcc-opt.ll
parent84ae7e9034ef4dd0b9c88c5cf0e5e91ab50a7ef1 (diff)
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Test case for r160036.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160067 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Mips/sitofp-selectcc-opt.ll')
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diff --git a/test/CodeGen/Mips/sitofp-selectcc-opt.ll b/test/CodeGen/Mips/sitofp-selectcc-opt.ll
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+++ b/test/CodeGen/Mips/sitofp-selectcc-opt.ll
@@ -0,0 +1,22 @@
+; RUN: llc -march=mipsel < %s | FileCheck %s
+
+@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
+}
+