Benjamin Kramer ed13fef477 [SelectionDAG] Do minnum->minimum at legalization time instead of building time
The SDAGBuilder behavior stems from the days when we didn't have fast
math flags available in SDAG. We do now and doing the transformation in
the legalizer has the advantage that it also works for vector types.

llvm-svn: 364743
2019-07-01 11:00:23 +00:00

186 lines
5.5 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s
; Test that basic 32-bit floating-point operations assemble as expected.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
declare float @llvm.fabs.f32(float)
declare float @llvm.copysign.f32(float, float)
declare float @llvm.sqrt.f32(float)
declare float @llvm.ceil.f32(float)
declare float @llvm.floor.f32(float)
declare float @llvm.trunc.f32(float)
declare float @llvm.nearbyint.f32(float)
declare float @llvm.rint.f32(float)
declare float @llvm.fma.f32(float, float, float)
; CHECK-LABEL: fadd32:
; CHECK-NEXT: .functype fadd32 (f32, f32) -> (f32){{$}}
; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: f32.add $push[[LR:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fadd32(float %x, float %y) {
%a = fadd float %x, %y
ret float %a
}
; CHECK-LABEL: fsub32:
; CHECK: f32.sub $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fsub32(float %x, float %y) {
%a = fsub float %x, %y
ret float %a
}
; CHECK-LABEL: fmul32:
; CHECK: f32.mul $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fmul32(float %x, float %y) {
%a = fmul float %x, %y
ret float %a
}
; CHECK-LABEL: fdiv32:
; CHECK: f32.div $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fdiv32(float %x, float %y) {
%a = fdiv float %x, %y
ret float %a
}
; CHECK-LABEL: fabs32:
; CHECK: f32.abs $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fabs32(float %x) {
%a = call float @llvm.fabs.f32(float %x)
ret float %a
}
; CHECK-LABEL: fneg32:
; CHECK: f32.neg $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fneg32(float %x) {
%a = fsub float -0., %x
ret float %a
}
; CHECK-LABEL: copysign32:
; CHECK: f32.copysign $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @copysign32(float %x, float %y) {
%a = call float @llvm.copysign.f32(float %x, float %y)
ret float %a
}
; CHECK-LABEL: sqrt32:
; CHECK: f32.sqrt $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @sqrt32(float %x) {
%a = call float @llvm.sqrt.f32(float %x)
ret float %a
}
; CHECK-LABEL: ceil32:
; CHECK: f32.ceil $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @ceil32(float %x) {
%a = call float @llvm.ceil.f32(float %x)
ret float %a
}
; CHECK-LABEL: floor32:
; CHECK: f32.floor $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @floor32(float %x) {
%a = call float @llvm.floor.f32(float %x)
ret float %a
}
; CHECK-LABEL: trunc32:
; CHECK: f32.trunc $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @trunc32(float %x) {
%a = call float @llvm.trunc.f32(float %x)
ret float %a
}
; CHECK-LABEL: nearest32:
; CHECK: f32.nearest $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @nearest32(float %x) {
%a = call float @llvm.nearbyint.f32(float %x)
ret float %a
}
; CHECK-LABEL: nearest32_via_rint:
; CHECK: f32.nearest $push[[LR:[0-9]+]]=, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @nearest32_via_rint(float %x) {
%a = call float @llvm.rint.f32(float %x)
ret float %a
}
; CHECK-LABEL: fmin32:
; CHECK: f32.min $push1=, $pop{{[0-9]+}}, $pop[[LR]]{{$}}
; CHECK-NEXT: return $pop1{{$}}
define float @fmin32(float %x) {
%a = fcmp ult float %x, 0.0
%b = select i1 %a, float %x, float 0.0
ret float %b
}
; CHECK-LABEL: fmax32:
; CHECK: f32.max $push1=, $pop{{[0-9]+}}, $pop[[LR]]{{$}}
; CHECK-NEXT: return $pop1{{$}}
define float @fmax32(float %x) {
%a = fcmp ugt float %x, 0.0
%b = select i1 %a, float %x, float 0.0
ret float %b
}
; CHECK-LABEL: fmin32_intrinsic:
; CHECK: f32.min $push0=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop0{{$}}
declare float @llvm.minimum.f32(float, float)
define float @fmin32_intrinsic(float %x, float %y) {
%a = call float @llvm.minimum.f32(float %x, float %y)
ret float %a
}
; CHECK-LABEL: fminnum32_intrinsic:
; CHECK: f32.min $push0=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop0{{$}}
declare float @llvm.minnum.f32(float, float)
define float @fminnum32_intrinsic(float %x, float %y) {
%a = call nnan float @llvm.minnum.f32(float %x, float %y)
ret float %a
}
; CHECK-LABEL: fmax32_intrinsic:
; CHECK: f32.max $push0=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop0{{$}}
declare float @llvm.maximum.f32(float, float)
define float @fmax32_intrinsic(float %x, float %y) {
%a = call float @llvm.maximum.f32(float %x, float %y)
ret float %a
}
; CHECK-LABEL: fmaxnum32_intrinsic:
; CHECK: f32.max $push0=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop0{{$}}
declare float @llvm.maxnum.f32(float, float)
define float @fmaxnum32_intrinsic(float %x, float %y) {
%a = call nnan float @llvm.maxnum.f32(float %x, float %y)
ret float %a
}
; CHECK-LABEL: fma32:
; CHECK: {{^}} f32.call $push[[LR:[0-9]+]]=, fmaf, $pop{{[0-9]+}}, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; CHECK-NEXT: return $pop[[LR]]{{$}}
define float @fma32(float %a, float %b, float %c) {
%d = call float @llvm.fma.f32(float %a, float %b, float %c)
ret float %d
}