diff options
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/combine-fneg.ll')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/combine-fneg.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/combine-fneg.ll b/llvm/test/CodeGen/PowerPC/combine-fneg.ll new file mode 100644 index 00000000000..864f723575f --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/combine-fneg.ll @@ -0,0 +1,32 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown | FileCheck %s + +; Infinite loop identified in D62963. +define <4 x double> @fneg_fdiv_splat(double %a0, <4 x double> %a1) { +; CHECK-LABEL: fneg_fdiv_splat: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: # kill: def $f1 killed $f1 def $vsl1 +; CHECK-NEXT: xxspltd 0, 1, 0 +; CHECK-NEXT: addis 3, 2, .LCPI0_0@toc@ha +; CHECK-NEXT: addi 3, 3, .LCPI0_0@toc@l +; CHECK-NEXT: lxvd2x 1, 0, 3 +; CHECK-NEXT: addis 3, 2, .LCPI0_1@toc@ha +; CHECK-NEXT: xvredp 2, 0 +; CHECK-NEXT: addi 3, 3, .LCPI0_1@toc@l +; CHECK-NEXT: xxswapd 1, 1 +; CHECK-NEXT: xvnmsubadp 1, 2, 0 +; CHECK-NEXT: xvmaddadp 2, 2, 1 +; CHECK-NEXT: lxvd2x 1, 0, 3 +; CHECK-NEXT: xxswapd 1, 1 +; CHECK-NEXT: xvmaddadp 1, 0, 2 +; CHECK-NEXT: xvmsubadp 2, 2, 1 +; CHECK-NEXT: xvmuldp 34, 34, 2 +; CHECK-NEXT: xvmuldp 35, 35, 2 +; CHECK-NEXT: blr +entry: + %splat.splatinsert = insertelement <4 x double> undef, double %a0, i32 0 + %splat.splat = shufflevector <4 x double> %splat.splatinsert, <4 x double> undef, <4 x i32> zeroinitializer + %div = fdiv fast <4 x double> %a1, %splat.splat + %sub = fsub fast <4 x double> <double 0.000000e+00, double 0.000000e+00, double 0.000000e+00, double 0.000000e+00>, %div + ret <4 x double> %sub +} |
