1 ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s 2 3 ; Test a subset of compiler-rt/libm libcalls expected to be emitted by the wasm backend 4 5 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 6 target triple = "wasm32-unknown-unknown" 7 8 declare fp128 @llvm.sqrt.f128(fp128) 9 declare fp128 @llvm.floor.f128(fp128) 10 declare fp128 @llvm.trunc.f128(fp128) 11 declare fp128 @llvm.nearbyint.f128(fp128) 12 declare fp128 @llvm.pow.f128(fp128, fp128) 13 14 declare double @llvm.cos.f64(double) 15 declare double @llvm.log10.f64(double) 16 17 18 ; CHECK-LABEL: fp128libcalls: 19 define fp128 @fp128libcalls(fp128 %x, fp128 %y) { 20 ; compiler-rt call 21 ; CHECK: call __addtf3 22 %a = fadd fp128 %x, %y 23 ; CHECK: call __multf3 24 %b = fmul fp128 %a, %y 25 ; CHECK: call __divtf3 26 %c = fdiv fp128 %b, %y 27 ; libm calls 28 ; CHECK: call sqrtl 29 %d = call fp128 @llvm.sqrt.f128(fp128 %c) 30 ; CHECK: call floorl 31 %e = call fp128 @llvm.floor.f128(fp128 %d) 32 ; CHECK: call powl 33 %f = call fp128 @llvm.pow.f128(fp128 %e, fp128 %y) 34 ; CHECK: call truncl 35 %g = call fp128 @llvm.trunc.f128(fp128 %f) 36 ; CHECK: call nearbyintl 37 %h = call fp128 @llvm.nearbyint.f128(fp128 %g) 38 ret fp128 %h 39 } 40 41 ; CHECK-LABEL: i128libcalls: 42 define i128 @i128libcalls(i128 %x, i128 %y) { 43 ; Basic ops should be expanded 44 ; CHECK_NOT: call 45 %a = add i128 %x, %y 46 ; CHECK: call __multi3 47 %b = mul i128 %a, %y 48 ; CHECK: call __umodti3 49 %c = urem i128 %b, %y 50 ret i128 %c 51 } 52 53 ; CHECK-LABEL: f64libcalls: 54 define double @f64libcalls(double %x, double %y) { 55 ; CHECK: f64.call $push{{[0-9]}}=, cos@FUNCTION 56 %a = call double @llvm.cos.f64(double %x) 57 ; CHECK: f64.call $push{{[0-9]}}=, log10@FUNCTION 58 %b = call double @llvm.log10.f64(double %a) 59 ret double %b 60 } 61 62 ; fcmp ord and unord (RTLIB::O_F32 / RTLIB::UO_F32 etc) are a special case (see 63 ; comment in WebAssemblyRunimeLibcallSignatures.cpp) so check them separately. 64 ; no libcalls are needed for f32 and f64 65 66 ; CHECK-LABEL: unordd: 67 define i1 @unordd(double %x, double %y) { 68 ; CHECK-NOT: call 69 ; CHECK: f64.ne 70 %a = fcmp uno double %x, %y 71 ; CHECK-NOT: call 72 ; CHECK: f64.eq 73 %b = fcmp ord double %x, %y 74 ; CHECK: i32.xor 75 %c = xor i1 %a, %b 76 ret i1 %c 77 } 78 79 ; CHECK-LABEL: unordf: 80 define i1 @unordf(float %x, float %y) { 81 ; CHECK-NOT: call 82 ; CHECK: f32.ne 83 %a = fcmp uno float %x, %y 84 ; CHECK-NOT: call 85 ; CHECK: f32.eq 86 %b = fcmp ord float %x, %y 87 ; CHECK: i32.xor 88 %c = xor i1 %a, %b 89 ret i1 %c 90 } 91 92 ; CHECK-LABEL: unordt: 93 define i1 @unordt(fp128 %x, fp128 %y) { 94 ; CHECK: i32.call $push[[CALL:[0-9]]]=, __unordtf2 95 ; CHECK-NEXT: i32.const $push[[ZERO:[0-9]+]]=, 0 96 ; CHECK-NEXT: i32.ne $push{{[0-9]}}=, $pop[[CALL]], $pop[[ZERO]] 97 %a = fcmp uno fp128 %x, %y 98 ret i1 %a 99 } 100 101 ; CHECK-LABEL: ordt: 102 define i1 @ordt(fp128 %x, fp128 %y) { 103 ; CHECK: i32.call $push[[CALL:[0-9]]]=, __unordtf2 104 ; CHECK-NEXT: i32.eqz $push{{[0-9]}}=, $pop[[CALL]] 105 %a = fcmp ord fp128 %x, %y 106 ret i1 %a 107 } 108
