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| author | Thomas Lively <tlively@google.com> | 2020-02-05 18:17:11 -0800 |
|---|---|---|
| committer | Thomas Lively <tlively@google.com> | 2020-02-18 13:49:46 -0800 |
| commit | 7b64a590600645234412bce8cb6becf45f276de4 (patch) | |
| tree | 584b01da1e75e16e50f8a96e9ab837bc1a4ae142 /llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp | |
| parent | 42cab985fd95ba4f3f290e7bb26b93805edb447d (diff) | |
| download | llvm-7b64a590600645234412bce8cb6becf45f276de4.zip llvm-7b64a590600645234412bce8cb6becf45f276de4.tar.gz llvm-7b64a590600645234412bce8cb6becf45f276de4.tar.bz2 | |
Reland "[WebAssembly][InstrEmitter] Foundation for multivalue call lowering"
This reverts commit 649aba93a27170cb03a4b17c98a19b9237a880b8, now that
the approach started there has been shown to be workable in the patch
series culminating in https://reviews.llvm.org/D74192.
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp index a237da8..5b77798 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp @@ -49,7 +49,7 @@ bool WebAssembly::mayThrow(const MachineInstr &MI) { if (!MI.isCall()) return false; - const MachineOperand &MO = MI.getOperand(getCalleeOpNo(MI.getOpcode())); + const MachineOperand &MO = getCalleeOp(MI); assert(MO.isGlobal() || MO.isSymbol()); if (MO.isSymbol()) { @@ -79,3 +79,67 @@ bool WebAssembly::mayThrow(const MachineInstr &MI) { // original LLVm IR? (Even when the callee may throw) return true; } + +inline const MachineOperand &getCalleeOp(const MachineInstr &MI) { + switch (MI.getOpcode()) { + case WebAssembly::CALL_VOID: + case WebAssembly::CALL_VOID_S: + case WebAssembly::CALL_INDIRECT_VOID: + case WebAssembly::CALL_INDIRECT_VOID_S: + case WebAssembly::RET_CALL: + case WebAssembly::RET_CALL_S: + case WebAssembly::RET_CALL_INDIRECT: + case WebAssembly::RET_CALL_INDIRECT_S: + return MI.getOperand(0); + case WebAssembly::CALL_i32: + case WebAssembly::CALL_i32_S: + case WebAssembly::CALL_i64: + case WebAssembly::CALL_i64_S: + case WebAssembly::CALL_f32: + case WebAssembly::CALL_f32_S: + case WebAssembly::CALL_f64: + case WebAssembly::CALL_f64_S: + case WebAssembly::CALL_v16i8: + case WebAssembly::CALL_v16i8_S: + case WebAssembly::CALL_v8i16: + case WebAssembly::CALL_v8i16_S: + case WebAssembly::CALL_v4i32: + case WebAssembly::CALL_v4i32_S: + case WebAssembly::CALL_v2i64: + case WebAssembly::CALL_v2i64_S: + case WebAssembly::CALL_v4f32: + case WebAssembly::CALL_v4f32_S: + case WebAssembly::CALL_v2f64: + case WebAssembly::CALL_v2f64_S: + case WebAssembly::CALL_exnref: + case WebAssembly::CALL_exnref_S: + case WebAssembly::CALL_INDIRECT_i32: + case WebAssembly::CALL_INDIRECT_i32_S: + case WebAssembly::CALL_INDIRECT_i64: + case WebAssembly::CALL_INDIRECT_i64_S: + case WebAssembly::CALL_INDIRECT_f32: + case WebAssembly::CALL_INDIRECT_f32_S: + case WebAssembly::CALL_INDIRECT_f64: + case WebAssembly::CALL_INDIRECT_f64_S: + case WebAssembly::CALL_INDIRECT_v16i8: + case WebAssembly::CALL_INDIRECT_v16i8_S: + case WebAssembly::CALL_INDIRECT_v8i16: + case WebAssembly::CALL_INDIRECT_v8i16_S: + case WebAssembly::CALL_INDIRECT_v4i32: + case WebAssembly::CALL_INDIRECT_v4i32_S: + case WebAssembly::CALL_INDIRECT_v2i64: + case WebAssembly::CALL_INDIRECT_v2i64_S: + case WebAssembly::CALL_INDIRECT_v4f32: + case WebAssembly::CALL_INDIRECT_v4f32_S: + case WebAssembly::CALL_INDIRECT_v2f64: + case WebAssembly::CALL_INDIRECT_v2f64_S: + case WebAssembly::CALL_INDIRECT_exnref: + case WebAssembly::CALL_INDIRECT_exnref_S: + return MI.getOperand(1); + case WebAssembly::CALL: + case WebAssembly::CALL_S: + return MI.getOperand(MI.getNumDefs()); + default: + llvm_unreachable("Not a call instruction"); + } +} |