forked from OSchip/llvm-project
129 lines
3.7 KiB
LLVM
129 lines
3.7 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s
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; Test a subset of compiler-rt/libm libcalls expected to be emitted by the wasm backend
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare fp128 @llvm.sqrt.f128(fp128)
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declare fp128 @llvm.floor.f128(fp128)
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declare fp128 @llvm.trunc.f128(fp128)
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declare fp128 @llvm.nearbyint.f128(fp128)
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declare fp128 @llvm.pow.f128(fp128, fp128)
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declare fp128 @llvm.powi.f128(fp128, i32)
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declare double @llvm.cos.f64(double)
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declare double @llvm.log10.f64(double)
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declare double @llvm.pow.f64(double, double)
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declare double @llvm.powi.f64(double, i32)
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declare double @llvm.log.f64(double)
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declare double @llvm.exp.f64(double)
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declare i32 @llvm.lround(double)
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; CHECK-LABEL: fp128libcalls:
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define fp128 @fp128libcalls(fp128 %x, fp128 %y, i32 %z) {
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; compiler-rt call
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; CHECK: call __addtf3
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%a = fadd fp128 %x, %y
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; CHECK: call __multf3
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%b = fmul fp128 %a, %y
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; CHECK: call __divtf3
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%c = fdiv fp128 %b, %y
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; libm calls
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; CHECK: call sqrtl
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%d = call fp128 @llvm.sqrt.f128(fp128 %c)
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; CHECK: call floorl
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%e = call fp128 @llvm.floor.f128(fp128 %d)
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; CHECK: call powl
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%f = call fp128 @llvm.pow.f128(fp128 %e, fp128 %y)
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; CHECK: call __powitf2
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%g = call fp128 @llvm.powi.f128(fp128 %f, i32 %z)
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; CHECK: call truncl
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%h = call fp128 @llvm.trunc.f128(fp128 %g)
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; CHECK: call nearbyintl
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%i = call fp128 @llvm.nearbyint.f128(fp128 %h)
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ret fp128 %i
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}
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; CHECK-LABEL: i128libcalls:
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define i128 @i128libcalls(i128 %x, i128 %y) {
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; Basic ops should be expanded
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; CHECK_NOT: call
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%a = add i128 %x, %y
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; CHECK: call __multi3
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%b = mul i128 %a, %y
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; CHECK: call __umodti3
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%c = urem i128 %b, %y
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ret i128 %c
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}
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; CHECK-LABEL: f64libcalls:
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define i32 @f64libcalls(double %x, double %y, i32 %z) {
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; CHECK: call $push{{[0-9]}}=, cos
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%a = call double @llvm.cos.f64(double %x)
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; CHECK: call $push{{[0-9]}}=, log10
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%b = call double @llvm.log10.f64(double %a)
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; CHECK: call $push{{[0-9]}}=, pow
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%c = call double @llvm.pow.f64(double %b, double %y)
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; CHECK: call $push{{[0-9]}}=, __powidf2
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%d = call double @llvm.powi.f64(double %c, i32 %z)
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; CHECK: call $push{{[0-9]}}=, log
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%e = call double @llvm.log.f64(double %d)
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; CHECK: call $push{{[0-9]}}=, exp
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%f = call double @llvm.exp.f64(double %e)
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; CHECK: call $push{{[0-9]}}=, cbrt
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%g = call fast double @llvm.pow.f64(double %f, double 0x3FD5555555555555)
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; CHECK: call $push{{[0-9]}}=, lround
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%h = call i32 @llvm.lround(double %g)
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ret i32 %h
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}
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; fcmp ord and unord (RTLIB::O_F32 / RTLIB::UO_F32 etc) are a special case (see
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; comment in WebAssemblyRunimeLibcallSignatures.cpp) so check them separately.
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; no libcalls are needed for f32 and f64
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; CHECK-LABEL: unordd:
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define i1 @unordd(double %x, double %y) {
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; CHECK-NOT: call
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; CHECK: f64.ne
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%a = fcmp uno double %x, %y
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; CHECK-NOT: call
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; CHECK: f64.eq
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%b = fcmp ord double %x, %y
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; CHECK: i32.xor
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%c = xor i1 %a, %b
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ret i1 %c
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}
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; CHECK-LABEL: unordf:
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define i1 @unordf(float %x, float %y) {
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; CHECK-NOT: call
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; CHECK: f32.ne
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%a = fcmp uno float %x, %y
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; CHECK-NOT: call
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; CHECK: f32.eq
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%b = fcmp ord float %x, %y
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; CHECK: i32.xor
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%c = xor i1 %a, %b
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ret i1 %c
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}
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; CHECK-LABEL: unordt:
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define i1 @unordt(fp128 %x, fp128 %y) {
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; CHECK: call $push[[CALL:[0-9]]]=, __unordtf2
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; CHECK-NEXT: i32.const $push[[ZERO:[0-9]+]]=, 0
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; CHECK-NEXT: i32.ne $push{{[0-9]}}=, $pop[[CALL]], $pop[[ZERO]]
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%a = fcmp uno fp128 %x, %y
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ret i1 %a
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}
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; CHECK-LABEL: ordt:
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define i1 @ordt(fp128 %x, fp128 %y) {
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; CHECK: call $push[[CALL:[0-9]]]=, __unordtf2
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; CHECK-NEXT: i32.eqz $push{{[0-9]}}=, $pop[[CALL]]
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%a = fcmp ord fp128 %x, %y
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ret i1 %a
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}
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