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| author | Hal Finkel <hfinkel@anl.gov> | 2015-07-12 02:33:57 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2015-07-12 02:33:57 +0000 |
| commit | cbf08925efc9047a6e457101d5ffdb36774c769d (patch) | |
| tree | 2fa82b7a9585d0778c80d703d6a1ad99a5afa716 /llvm/test/CodeGen | |
| parent | 965cea5670ffc8b8a2904656203174b0033bd901 (diff) | |
| download | bcm5719-llvm-cbf08925efc9047a6e457101d5ffdb36774c769d.tar.gz bcm5719-llvm-cbf08925efc9047a6e457101d5ffdb36774c769d.zip | |
[PowerPC] Make use of the TargetRecip system
r238842 added the TargetRecip system for controlling use of reciprocal
estimates for sqrt and division using a set of parameters that can be set by
the frontend. Clang now supports a sophisticated -mrecip option, and this will
allow that option to effectively control the relevant code-generation
functionality of the PPC backend.
llvm-svn: 241985
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/recipest.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/recipest.ll b/llvm/test/CodeGen/PowerPC/recipest.ll index cd77548b281..41dcb0f5b3f 100644 --- a/llvm/test/CodeGen/PowerPC/recipest.ll +++ b/llvm/test/CodeGen/PowerPC/recipest.ll @@ -1,4 +1,5 @@ ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-unsafe-fp-math -mattr=-vsx | FileCheck %s +; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-unsafe-fp-math -mattr=-vsx -recip=sqrtf:0,sqrtd:0 | FileCheck %s -check-prefix=CHECK-NONR ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -mattr=-vsx | FileCheck -check-prefix=CHECK-SAFE %s target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" target triple = "powerpc64-unknown-linux-gnu" @@ -24,6 +25,13 @@ define double @foo(double %a, double %b) nounwind { ; CHECK-NEXT: fmul ; CHECK: blr +; CHECK-NONR: @foo +; CHECK-NONR: frsqrte +; CHECK-NONR-NOT: fmadd +; CHECK-NONR: fmul +; CHECK-NONR-NOT: fmadd +; CHECK-NONR: blr + ; CHECK-SAFE: @foo ; CHECK-SAFE: fsqrt ; CHECK-SAFE: fdiv @@ -90,6 +98,13 @@ define float @goo(float %a, float %b) nounwind { ; CHECK-NEXT: fmuls ; CHECK-NEXT: blr +; CHECK-NONR: @goo +; CHECK-NONR: frsqrtes +; CHECK-NONR-NOT: fmadds +; CHECK-NONR: fmuls +; CHECK-NONR-NOT: fmadds +; CHECK-NONR: blr + ; CHECK-SAFE: @goo ; CHECK-SAFE: fsqrts ; CHECK-SAFE: fdivs |
