llvm/test/CodeGen/WebAssembly/libcalls.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals | FileCheck %s

; Test a subset of compiler-rt/libm libcalls expected to be emitted by the wasm backend

target triple = "wasm32-unknown-unknown"

declare fp128 @llvm.sqrt.f128(fp128)
declare fp128 @llvm.floor.f128(fp128)
declare fp128 @llvm.trunc.f128(fp128)
declare fp128 @llvm.nearbyint.f128(fp128)
declare fp128 @llvm.pow.f128(fp128, fp128)
declare fp128 @llvm.powi.f128.i32(fp128, i32)

declare double @llvm.tan.f64(double)
declare double @llvm.cos.f64(double)
declare double @llvm.log10.f64(double)
declare double @llvm.pow.f64(double, double)
declare double @llvm.powi.f64.i32(double, i32)
declare double @llvm.log.f64(double)
declare double @llvm.exp.f64(double)
declare double @llvm.exp10.f64(double)
declare double @llvm.ldexp.f64.i32(double, i32)
declare {double, i32} @llvm.frexp.f64.i32(double)
declare i32 @llvm.lround(double)
declare {double, double} @llvm.modf.f64(double)

declare void @escape_value(i32)

define fp128 @fp128libcalls(fp128 %x, fp128 %y, i32 %z) {
  ; compiler-rt call
; CHECK-LABEL: fp128libcalls:
; CHECK:         .functype fp128libcalls (i32, i64, i64, i64, i64, i32) -> ()
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    global.get $push20=, __stack_pointer
; CHECK-NEXT:    i32.const $push21=, 160
; CHECK-NEXT:    i32.sub $push43=, $pop20, $pop21
; CHECK-NEXT:    local.tee $push42=, $6=, $pop43
; CHECK-NEXT:    global.set __stack_pointer, $pop42
; CHECK-NEXT:    i32.const $push40=, 144
; CHECK-NEXT:    i32.add $push41=, $6, $pop40
; CHECK-NEXT:    call __addtf3, $pop41, $1, $2, $3, $4
; CHECK-NEXT:    i32.const $push38=, 128
; CHECK-NEXT:    i32.add $push39=, $6, $pop38
; CHECK-NEXT:    i64.load $push1=, 144($6)
; CHECK-NEXT:    i64.load $push0=, 152($6)
; CHECK-NEXT:    call __multf3, $pop39, $pop1, $pop0, $3, $4
; CHECK-NEXT:    i32.const $push36=, 112
; CHECK-NEXT:    i32.add $push37=, $6, $pop36
; CHECK-NEXT:    i64.load $push3=, 128($6)
; CHECK-NEXT:    i64.load $push2=, 136($6)
; CHECK-NEXT:    call __divtf3, $pop37, $pop3, $pop2, $3, $4
; CHECK-NEXT:    i32.const $push34=, 96
; CHECK-NEXT:    i32.add $push35=, $6, $pop34
; CHECK-NEXT:    i64.load $push5=, 112($6)
; CHECK-NEXT:    i64.load $push4=, 120($6)
; CHECK-NEXT:    call fmodl, $pop35, $pop5, $pop4, $3, $4
; CHECK-NEXT:    i32.const $push32=, 80
; CHECK-NEXT:    i32.add $push33=, $6, $pop32
; CHECK-NEXT:    i64.load $push7=, 96($6)
; CHECK-NEXT:    i64.load $push6=, 104($6)
; CHECK-NEXT:    call sqrtl, $pop33, $pop7, $pop6
; CHECK-NEXT:    i32.const $push30=, 64
; CHECK-NEXT:    i32.add $push31=, $6, $pop30
; CHECK-NEXT:    i64.load $push9=, 80($6)
; CHECK-NEXT:    i64.load $push8=, 88($6)
; CHECK-NEXT:    call floorl, $pop31, $pop9, $pop8
; CHECK-NEXT:    i32.const $push28=, 48
; CHECK-NEXT:    i32.add $push29=, $6, $pop28
; CHECK-NEXT:    i64.load $push11=, 64($6)
; CHECK-NEXT:    i64.load $push10=, 72($6)
; CHECK-NEXT:    call powl, $pop29, $pop11, $pop10, $3, $4
; CHECK-NEXT:    i32.const $push26=, 32
; CHECK-NEXT:    i32.add $push27=, $6, $pop26
; CHECK-NEXT:    i64.load $push13=, 48($6)
; CHECK-NEXT:    i64.load $push12=, 56($6)
; CHECK-NEXT:    call __powitf2, $pop27, $pop13, $pop12, $5
; CHECK-NEXT:    i32.const $push24=, 16
; CHECK-NEXT:    i32.add $push25=, $6, $pop24
; CHECK-NEXT:    i64.load $push15=, 32($6)
; CHECK-NEXT:    i64.load $push14=, 40($6)
; CHECK-NEXT:    call truncl, $pop25, $pop15, $pop14
; CHECK-NEXT:    i64.load $push17=, 16($6)
; CHECK-NEXT:    i64.load $push16=, 24($6)
; CHECK-NEXT:    call nearbyintl, $6, $pop17, $pop16
; CHECK-NEXT:    i64.load $push18=, 8($6)
; CHECK-NEXT:    i64.store 8($0), $pop18
; CHECK-NEXT:    i64.load $push19=, 0($6)
; CHECK-NEXT:    i64.store 0($0), $pop19
; CHECK-NEXT:    i32.const $push22=, 160
; CHECK-NEXT:    i32.add $push23=, $6, $pop22
; CHECK-NEXT:    global.set __stack_pointer, $pop23
; CHECK-NEXT:    return
  %a = fadd fp128 %x, %y
  %b = fmul fp128 %a, %y
  %c = fdiv fp128 %b, %y
  %d = frem fp128 %c, %y
  ; libm calls
  %e = call fp128 @llvm.sqrt.f128(fp128 %d)
  %f = call fp128 @llvm.floor.f128(fp128 %e)
  %g = call fp128 @llvm.pow.f128(fp128 %f, fp128 %y)
  %h = call fp128 @llvm.powi.f128.i32(fp128 %g, i32 %z)
  %i = call fp128 @llvm.trunc.f128(fp128 %h)
  %j = call fp128 @llvm.nearbyint.f128(fp128 %i)
  ret fp128 %j
}

define i128 @i128libcalls(i128 %x, i128 %y) {
  ; Basic ops should be expanded
; CHECK-LABEL: i128libcalls:
; CHECK:         .functype i128libcalls (i32, i64, i64, i64, i64) -> ()
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    global.get $push8=, __stack_pointer
; CHECK-NEXT:    i32.const $push9=, 32
; CHECK-NEXT:    i32.sub $push17=, $pop8, $pop9
; CHECK-NEXT:    local.tee $push16=, $6=, $pop17
; CHECK-NEXT:    global.set __stack_pointer, $pop16
; CHECK-NEXT:    i32.const $push12=, 16
; CHECK-NEXT:    i32.add $push13=, $6, $pop12
; CHECK-NEXT:    i64.add $push15=, $1, $3
; CHECK-NEXT:    local.tee $push14=, $5=, $pop15
; CHECK-NEXT:    i64.add $push0=, $2, $4
; CHECK-NEXT:    i64.lt_u $push1=, $5, $1
; CHECK-NEXT:    i64.extend_i32_u $push2=, $pop1
; CHECK-NEXT:    i64.add $push3=, $pop0, $pop2
; CHECK-NEXT:    call __multi3, $pop13, $pop14, $pop3, $3, $4
; CHECK-NEXT:    i64.load $push5=, 16($6)
; CHECK-NEXT:    i64.load $push4=, 24($6)
; CHECK-NEXT:    call __umodti3, $6, $pop5, $pop4, $3, $4
; CHECK-NEXT:    i64.load $push6=, 8($6)
; CHECK-NEXT:    i64.store 8($0), $pop6
; CHECK-NEXT:    i64.load $push7=, 0($6)
; CHECK-NEXT:    i64.store 0($0), $pop7
; CHECK-NEXT:    i32.const $push10=, 32
; CHECK-NEXT:    i32.add $push11=, $6, $pop10
; CHECK-NEXT:    global.set __stack_pointer, $pop11
; CHECK-NEXT:    return
  %a = add i128 %x, %y
  %b = mul i128 %a, %y
  %c = urem i128 %b, %y
  ret i128 %c
}

define double @f64libcalls(double %x, double %y, i32 %z) {
; CHECK-LABEL: f64libcalls:
; CHECK:         .functype f64libcalls (f64, f64, i32) -> (f64)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    global.get $push12=, __stack_pointer
; CHECK-NEXT:    i32.const $push13=, 16
; CHECK-NEXT:    i32.sub $push23=, $pop12, $pop13
; CHECK-NEXT:    local.tee $push22=, $3=, $pop23
; CHECK-NEXT:    global.set __stack_pointer, $pop22
; CHECK-NEXT:    call $push0=, tan, $0
; CHECK-NEXT:    call $push1=, cos, $pop0
; CHECK-NEXT:    call $push2=, log10, $pop1
; CHECK-NEXT:    call $push3=, pow, $pop2, $1
; CHECK-NEXT:    call $push4=, __powidf2, $pop3, $2
; CHECK-NEXT:    call $push5=, log, $pop4
; CHECK-NEXT:    call $push6=, exp, $pop5
; CHECK-NEXT:    call $push7=, exp10, $pop6
; CHECK-NEXT:    call $push21=, cbrt, $pop7
; CHECK-NEXT:    local.tee $push20=, $1=, $pop21
; CHECK-NEXT:    call $push8=, lround, $pop20
; CHECK-NEXT:    call $push9=, ldexp, $0, $pop8
; CHECK-NEXT:    call $push10=, fmod, $pop9, $1
; CHECK-NEXT:    i32.const $push18=, 4
; CHECK-NEXT:    i32.add $push19=, $3, $pop18
; CHECK-NEXT:    call $0=, frexp, $pop10, $pop19
; CHECK-NEXT:    i32.load $push11=, 4($3)
; CHECK-NEXT:    call escape_value, $pop11
; CHECK-NEXT:    i32.const $push16=, 8
; CHECK-NEXT:    i32.add $push17=, $3, $pop16
; CHECK-NEXT:    call $0=, modf, $0, $pop17
; CHECK-NEXT:    i32.const $push14=, 16
; CHECK-NEXT:    i32.add $push15=, $3, $pop14
; CHECK-NEXT:    global.set __stack_pointer, $pop15
; CHECK-NEXT:    return $0


 %k = call double @llvm.tan.f64(double %x)
 %a = call double @llvm.cos.f64(double %k)
 %b = call double @llvm.log10.f64(double %a)
 %c = call double @llvm.pow.f64(double %b, double %y)
 %d = call double @llvm.powi.f64.i32(double %c, i32 %z)
 %e = call double @llvm.log.f64(double %d)
 %f = call double @llvm.exp.f64(double %e)
 %g = call double @llvm.exp10.f64(double %f)
 %h = call fast double @llvm.pow.f64(double %g, double 0x3FD5555555555555)
 %i = call i32 @llvm.lround(double %h)
 %j = call double @llvm.ldexp.f64.i32(double %x, i32 %i);
 %l = frem double %j, %h;
 %result = call {double, i32} @llvm.frexp.f64.i32(double %l)
 %result.0 = extractvalue { double, i32 } %result, 0
 %result.1 = extractvalue { double, i32 } %result, 1
 %resultModf = call {double, double} @llvm.modf.f64(double %result.0)
 %resultModf.0 = extractvalue { double, double } %resultModf, 0
 call void @escape_value(i32 %result.1)
 ret double %resultModf.0
}

; fcmp ord and unord (RTLIB::O_F32 / RTLIB::UO_F32 etc) are a special case (see
; comment in WebAssemblyRunimeLibcallSignatures.cpp) so check them separately.
; no libcalls are needed for f32 and f64

define i1 @unordd(double %x, double %y) {
; CHECK-LABEL: unordd:
; CHECK:         .functype unordd (f64, f64) -> (i32)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    f64.ne $push4=, $0, $0
; CHECK-NEXT:    f64.ne $push3=, $1, $1
; CHECK-NEXT:    i32.or $push5=, $pop4, $pop3
; CHECK-NEXT:    f64.eq $push1=, $0, $0
; CHECK-NEXT:    f64.eq $push0=, $1, $1
; CHECK-NEXT:    i32.and $push2=, $pop1, $pop0
; CHECK-NEXT:    i32.xor $push6=, $pop5, $pop2
; CHECK-NEXT:    return $pop6
 %a = fcmp uno double %x, %y
 %b = fcmp ord double %x, %y
 %c = xor i1 %a, %b
 ret i1 %c
}

define i1 @unordf(float %x, float %y) {
; CHECK-LABEL: unordf:
; CHECK:         .functype unordf (f32, f32) -> (i32)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    f32.ne $push4=, $0, $0
; CHECK-NEXT:    f32.ne $push3=, $1, $1
; CHECK-NEXT:    i32.or $push5=, $pop4, $pop3
; CHECK-NEXT:    f32.eq $push1=, $0, $0
; CHECK-NEXT:    f32.eq $push0=, $1, $1
; CHECK-NEXT:    i32.and $push2=, $pop1, $pop0
; CHECK-NEXT:    i32.xor $push6=, $pop5, $pop2
; CHECK-NEXT:    return $pop6
 %a = fcmp uno float %x, %y
 %b = fcmp ord float %x, %y
 %c = xor i1 %a, %b
 ret i1 %c
}

define i1 @unordt(fp128 %x, fp128 %y) {
; CHECK-LABEL: unordt:
; CHECK:         .functype unordt (i64, i64, i64, i64) -> (i32)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    call $push1=, __unordtf2, $0, $1, $2, $3
; CHECK-NEXT:    i32.const $push0=, 0
; CHECK-NEXT:    i32.ne $push2=, $pop1, $pop0
; CHECK-NEXT:    return $pop2
 %a = fcmp uno fp128 %x, %y
 ret i1 %a
}

define i1 @ordt(fp128 %x, fp128 %y) {
; CHECK-LABEL: ordt:
; CHECK:         .functype ordt (i64, i64, i64, i64) -> (i32)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    call $push0=, __unordtf2, $0, $1, $2, $3
; CHECK-NEXT:    i32.eqz $push1=, $pop0
; CHECK-NEXT:    return $pop1
 %a = fcmp ord fp128 %x, %y
 ret i1 %a
}