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diff test/CodeGen/Hexagon/opt-fabs.ll @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/Hexagon/opt-fabs.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,15 @@
+; RUN: llc -mtriple=hexagon-unknown-elf -mcpu=hexagonv5  < %s | FileCheck %s
+; Optimize fabsf to clrbit in V5.
+
+; CHECK: r{{[0-9]+}} = clrbit(r{{[0-9]+}}, #31)
+
+define float @my_fabsf(float %x) nounwind {
+entry:
+  %x.addr = alloca float, align 4
+  store float %x, float* %x.addr, align 4
+  %0 = load float* %x.addr, align 4
+  %call = call float @fabsf(float %0) readnone
+  ret float %call
+}
+
+declare float @fabsf(float)