diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td index d966380e6b0..5520c6de673 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td +++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td @@ -38,6 +38,12 @@ defm NEAREST : UnaryFP<fnearbyint, "nearest">; } // Defs = [ARGUMENTS] +// DAGCombine oddly folds casts into the rhs of copysign. Unfold them. +def : Pat<(fcopysign F64:$lhs, F32:$rhs), + (COPYSIGN_F64 F64:$lhs, (F64_PROMOTE_F32 F32:$rhs))>; +def : Pat<(fcopysign F32:$lhs, F64:$rhs), + (COPYSIGN_F32 F32:$lhs, (F32_DEMOTE_F64 F64:$rhs))>; + // WebAssembly doesn't expose inexact exceptions, so map frint to fnearbyint. def : Pat<(frint f32:$src), (NEAREST_F32 f32:$src)>; def : Pat<(frint f64:$src), (NEAREST_F64 f64:$src)>; |
