e8245d5324
addr matching was the only gatekeeper for starting selecting G_LOAD and G_STORE using SDAG patterns. * Introduce a complex renderer gi_addr for addr. In this patch only the existing functionality has been implemented. The renderer's name is the same as in SDAG: selectAddr. Apparently the type of GIComplexOperandMatcher doesn't matter as RISCV also uses s32 for both 64 and 32 bit pointers. * X86SelectAddress now is used for both: pattern matching and manual selection. As a result it accumulates all the code that previously was distributed among different selection functions. * Replace getLoadStoreOp with getPtrLoadStoreOp in Load/Store selector as GlobalISel matcher or emitter can't map the pointer type into i32/i64 types used in SDAG patterns for pointers. So the load and store selection of pointers is still manual. getLoadStoreOp is still present because it is used in G_FCONSTANT lowering that requires extra efforts to select it using SDAG patterns. * Since truncating stores are not supported, we custom legalize them by matching types of store and MMO. * Introduce a constant pool flag in X86AddressMode because otherwise we need to introduce a GlobalISel copy for X86ISelAddressMode. * Also please notice in the tests that GlobalISel prefers to fold memory operands immediately comparing to SDAG. The reason is that GlobalISel doesn't have target hooks in GIM_CheckIsSafeToFold. Or maybe another check on profitability is required along with safety check that is currently not present.
73 lines
2.3 KiB
LLVM
73 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=ALL,X64
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; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=ALL,X64
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; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=ALL,GISEL-X64
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; RUN: llc < %s -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=ALL,X86
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; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=ALL,X86
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; RUN: llc < %s -global-isel -global-isel-abort=1 -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=ALL,GISEL-X86
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declare void @llvm.trap()
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define void @test_trap() {
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; ALL-LABEL: test_trap:
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; ALL: # %bb.0:
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; ALL-NEXT: ud2
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; ALL-NEXT: ret{{[l|q]}}
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tail call void @llvm.trap()
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ret void
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}
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define void @test_debugtrap() {
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; ALL-LABEL: test_debugtrap:
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; ALL: # %bb.0:
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; ALL-NEXT: int3
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; ALL-NEXT: ret{{[l|q]}}
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tail call void @llvm.debugtrap()
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ret void
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}
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define void @test_ubsantrap() {
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; ALL-LABEL: test_ubsantrap:
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; ALL: # %bb.0:
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; ALL-NEXT: ud1l 12(%eax), %eax
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; ALL-NEXT: ret{{[l|q]}}
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call void @llvm.ubsantrap(i8 12)
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ret void
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}
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define void @test_ubsantrap_custom() nounwind {
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; X64-LABEL: test_ubsantrap_custom:
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; X64: # %bb.0:
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; X64-NEXT: pushq %rax
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; X64-NEXT: movl $42, %edi
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; X64-NEXT: callq guide@PLT
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; X64-NEXT: popq %rax
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; X64-NEXT: retq
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;
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; GISEL-X64-LABEL: test_ubsantrap_custom:
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; GISEL-X64: # %bb.0:
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; GISEL-X64-NEXT: pushq %rax
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; GISEL-X64-NEXT: movl $42, %edi
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; GISEL-X64-NEXT: callq guide
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; GISEL-X64-NEXT: popq %rax
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; GISEL-X64-NEXT: retq
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;
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; X86-LABEL: test_ubsantrap_custom:
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; X86: # %bb.0:
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; X86-NEXT: subl $12, %esp
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; X86-NEXT: movl $42, (%esp)
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; X86-NEXT: calll guide
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; X86-NEXT: addl $12, %esp
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; X86-NEXT: retl
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;
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; GISEL-X86-LABEL: test_ubsantrap_custom:
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; GISEL-X86: # %bb.0:
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; GISEL-X86-NEXT: subl $12, %esp
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; GISEL-X86-NEXT: movl $42, (%esp)
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; GISEL-X86-NEXT: calll guide
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; GISEL-X86-NEXT: addl $12, %esp
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; GISEL-X86-NEXT: retl
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call void @llvm.ubsantrap(i8 42) "trap-func-name"="guide"
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ret void
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}
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