maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[WebAssembly] Saturating float-to-int builtins 

Summary: Depends on D53007 and D53004.

Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits

Differential Revision: https://reviews.llvm.org/D53009

llvm-svn: 344205
This commit is contained in:
Thomas Lively 2018-10-11 00:07:55 +00:00
parent 2ebacb107b
commit 07ce6df879
3 changed files with 111 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
clang/include/clang/Basic/BuiltinsWebAssembly.def
View File

@ -39,6 +39,16 @@ BUILTIN(__builtin_wasm_atomic_wait_i32, "ii*iLLi", "n")
BUILTIN(__builtin_wasm_atomic_wait_i64, "iLLi*LLiLLi", "n")
BUILTIN(__builtin_wasm_atomic_notify, "Uii*i", "n")
// Saturating fp-to-int conversions
BUILTIN(__builtin_wasm_trunc_saturate_s_i32_f32, "if", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_u_i32_f32, "if", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_s_i32_f64, "id", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_u_i32_f64, "id", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_s_i64_f32, "LLif", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_u_i64_f32, "LLif", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_s_i64_f64, "LLid", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_u_i64_f64, "LLid", "nc")
// SIMD builtins
BUILTIN(__builtin_wasm_extract_lane_s_i8x16, "iV16cIi", "nc")
BUILTIN(__builtin_wasm_extract_lane_u_i8x16, "iV16cIi", "nc")
@ -81,4 +91,9 @@ BUILTIN(__builtin_wasm_abs_f64x2, "V2dV2d", "nc")
BUILTIN(__builtin_wasm_sqrt_f32x4, "V4fV4f", "nc")
BUILTIN(__builtin_wasm_sqrt_f64x2, "V2dV2d", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_s_v4i32_v4f32, "V4iV4f", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_u_v4i32_v4f32, "V4iV4f", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_s_v2i64_v2f64, "V2LLiV2d", "nc")
BUILTIN(__builtin_wasm_trunc_saturate_u_v2i64_v2f64, "V2LLiV2d", "nc")
#undef BUILTIN

24
clang/lib/CodeGen/CGBuiltin.cpp
View File

@ -12456,6 +12456,30 @@ Value *CodeGenFunction::EmitWebAssemblyBuiltinExpr(unsigned BuiltinID,
Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_atomic_notify);
return Builder.CreateCall(Callee, {Addr, Count});
}
case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i32_f32:
case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i32_f64:
case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i64_f32:
case WebAssembly::BI__builtin_wasm_trunc_saturate_s_i64_f64:
case WebAssembly::BI__builtin_wasm_trunc_saturate_s_v4i32_v4f32:
case WebAssembly::BI__builtin_wasm_trunc_saturate_s_v2i64_v2f64: {
Value *Src = EmitScalarExpr(E->getArg(0));
llvm::Type *ResT = ConvertType(E->getType());
Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_trunc_saturate_signed,
{ResT, Src->getType()});
return Builder.CreateCall(Callee, {Src});
}
case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i32_f32:
case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i32_f64:
case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i64_f32:
case WebAssembly::BI__builtin_wasm_trunc_saturate_u_i64_f64:
case WebAssembly::BI__builtin_wasm_trunc_saturate_u_v4i32_v4f32:
case WebAssembly::BI__builtin_wasm_trunc_saturate_u_v2i64_v2f64: {
Value *Src = EmitScalarExpr(E->getArg(0));
llvm::Type *ResT = ConvertType(E->getType());
Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_trunc_saturate_unsigned,
{ResT, Src->getType()});
return Builder.CreateCall(Callee, {Src});
}
case WebAssembly::BI__builtin_wasm_extract_lane_s_i8x16:
case WebAssembly::BI__builtin_wasm_extract_lane_u_i8x16:
case WebAssembly::BI__builtin_wasm_extract_lane_s_i16x8:

72
clang/test/CodeGen/builtins-wasm.c
View File

@ -83,6 +83,54 @@ unsigned int atomic_notify(int *addr, int count) {
// WEBASSEMBLY64: call i32 @llvm.wasm.atomic.notify(i32* %{{.*}}, i32 %{{.*}})
}
int trunc_saturate_s_i32_f32(float f) {
return __builtin_wasm_trunc_saturate_s_i32_f32(f);
// WEBASSEMBLY: call i32 @llvm.wasm.trunc.saturate.signed.i32.f32(float %f)
// WEBASSEMBLY-NEXT: ret
}
int trunc_saturate_u_i32_f32(float f) {
return __builtin_wasm_trunc_saturate_u_i32_f32(f);
// WEBASSEMBLY: call i32 @llvm.wasm.trunc.saturate.unsigned.i32.f32(float %f)
// WEBASSEMBLY-NEXT: ret
}
int trunc_saturate_s_i32_f64(double f) {
return __builtin_wasm_trunc_saturate_s_i32_f64(f);
// WEBASSEMBLY: call i32 @llvm.wasm.trunc.saturate.signed.i32.f64(double %f)
// WEBASSEMBLY-NEXT: ret
}
int trunc_saturate_u_i32_f64(double f) {
return __builtin_wasm_trunc_saturate_u_i32_f64(f);
// WEBASSEMBLY: call i32 @llvm.wasm.trunc.saturate.unsigned.i32.f64(double %f)
// WEBASSEMBLY-NEXT: ret
}
long long trunc_saturate_s_i64_f32(float f) {
return __builtin_wasm_trunc_saturate_s_i64_f32(f);
// WEBASSEMBLY: call i64 @llvm.wasm.trunc.saturate.signed.i64.f32(float %f)
// WEBASSEMBLY-NEXT: ret
}
long long trunc_saturate_u_i64_f32(float f) {
return __builtin_wasm_trunc_saturate_u_i64_f32(f);
// WEBASSEMBLY: call i64 @llvm.wasm.trunc.saturate.unsigned.i64.f32(float %f)
// WEBASSEMBLY-NEXT: ret
}
long long trunc_saturate_s_i64_f64(double f) {
return __builtin_wasm_trunc_saturate_s_i64_f64(f);
// WEBASSEMBLY: call i64 @llvm.wasm.trunc.saturate.signed.i64.f64(double %f)
// WEBASSEMBLY-NEXT: ret
}
long long trunc_saturate_u_i64_f64(double f) {
return __builtin_wasm_trunc_saturate_u_i64_f64(f);
// WEBASSEMBLY: call i64 @llvm.wasm.trunc.saturate.unsigned.i64.f64(double %f)
// WEBASSEMBLY-NEXT: ret
}
int extract_lane_s_i8x16(i8x16 v) {
return __builtin_wasm_extract_lane_s_i8x16(v, 13);
// WEBASSEMBLY: extractelement <16 x i8> %v, i32 13
@ -300,3 +348,27 @@ f64x2 sqrt_f64x2(f64x2 x) {
// WEBASSEMBLY: call <2 x double> @llvm.sqrt.v2f64(<2 x double> %x)
// WEBASSEMBLY: ret
}
i32x4 trunc_saturate_s_v4i32_v4f32(f32x4 f) {
return __builtin_wasm_trunc_saturate_s_v4i32_v4f32(f);
// WEBASSEMBLY: call <4 x i32> @llvm.wasm.trunc.saturate.signed.v4i32.v4f32(<4 x float> %f)
// WEBASSEMBLY-NEXT: ret
}
i32x4 trunc_saturate_u_v4i32_v4f32(f32x4 f) {
return __builtin_wasm_trunc_saturate_u_v4i32_v4f32(f);
// WEBASSEMBLY: call <4 x i32> @llvm.wasm.trunc.saturate.unsigned.v4i32.v4f32(<4 x float> %f)
// WEBASSEMBLY-NEXT: ret
}
i64x2 trunc_saturate_s_v2i64_v2f64(f64x2 f) {
return __builtin_wasm_trunc_saturate_s_v2i64_v2f64(f);
// WEBASSEMBLY: call <2 x i64> @llvm.wasm.trunc.saturate.signed.v2i64.v2f64(<2 x double> %f)
// WEBASSEMBLY-NEXT: ret
}
i64x2 trunc_saturate_u_v2i64_v2f64(f64x2 f) {
return __builtin_wasm_trunc_saturate_u_v2i64_v2f64(f);
// WEBASSEMBLY: call <2 x i64> @llvm.wasm.trunc.saturate.unsigned.v2i64.v2f64(<2 x double> %f)
// WEBASSEMBLY-NEXT: ret
}