[llvm] r369923 - [PowerPC] add tests for fma with negated ops; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 26 09:20:09 PDT 2019
Author: spatel
Date: Mon Aug 26 09:20:09 2019
New Revision: 369923
URL: http://llvm.org/viewvc/llvm-project?rev=369923&view=rev
Log:
[PowerPC] add tests for fma with negated ops; NFC
Modified:
llvm/trunk/test/CodeGen/PowerPC/fneg.ll
Modified: llvm/trunk/test/CodeGen/PowerPC/fneg.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/fneg.ll?rev=369923&r1=369922&r2=369923&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/fneg.ll (original)
+++ llvm/trunk/test/CodeGen/PowerPC/fneg.ll Mon Aug 26 09:20:09 2019
@@ -1,12 +1,42 @@
-; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep fneg
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -ppc-asm-full-reg-names | FileCheck %s
define double @test1(double %a, double %b, double %c, double %d) {
-entry:
- %tmp2 = fsub double -0.000000e+00, %c ; <double> [#uses=1]
- %tmp4 = fmul double %tmp2, %d ; <double> [#uses=1]
- %tmp7 = fmul double %a, %b ; <double> [#uses=1]
- %tmp9 = fsub double %tmp7, %tmp4 ; <double> [#uses=1]
- ret double %tmp9
+; CHECK-LABEL: test1:
+; CHECK: # %bb.0:
+; CHECK-NEXT: fmul f0, f3, f4
+; CHECK-NEXT: fmul f1, f1, f2
+; CHECK-NEXT: fadd f1, f1, f0
+; CHECK-NEXT: blr
+ %tmp2 = fsub double -0.000000e+00, %c
+ %tmp4 = fmul double %tmp2, %d
+ %tmp7 = fmul double %a, %b
+ %tmp9 = fsub double %tmp7, %tmp4
+ ret double %tmp9
}
+declare float @llvm.fmuladd.f32(float, float, float) #4
+define float @fma_fneg_fneg(float %x, float %y, float %z) {
+; CHECK-LABEL: fma_fneg_fneg:
+; CHECK: # %bb.0:
+; CHECK-NEXT: fneg f0, f2
+; CHECK-NEXT: fnmsubs f1, f1, f0, f3
+; CHECK-NEXT: blr
+ %negx = fneg float %x
+ %negy = fneg float %y
+ %r = call float @llvm.fmuladd.f32(float %negx, float %negy, float %z)
+ ret float %r
+}
+
+define float @fma_fneg_fsub(float %x, float %y0, float %y1, float %z) {
+; CHECK-LABEL: fma_fneg_fsub:
+; CHECK: # %bb.0:
+; CHECK-NEXT: fsubs f0, f2, f3
+; CHECK-NEXT: fnmsubs f1, f1, f0, f4
+; CHECK-NEXT: blr
+ %negx = fneg float %x
+ %negy = fsub nsz float %y0, %y1
+ %r = call float @llvm.fmuladd.f32(float %negx, float %negy, float %z)
+ ret float %r
+}
More information about the llvm-commits
mailing list