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cb6968b087
If we hit the limit, we do expand the outstanding tokenfactors. Otherwise, we might drop nodes with users in the unexpanded tokenfactors. This fixes the crashes reported by Jordan Rupprecht. Reviewers: niravd, spatel, craig.topper, rupprecht Reviewed By: niravd Differential Revision: https://reviews.llvm.org/D62633 llvm-svn: 362350
60 lines
2.1 KiB
LLVM
60 lines
2.1 KiB
LLVM
; RUN: llc %s -combiner-tokenfactor-inline-limit=5 -o - | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.snork = type { i8 }
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%struct.wombat = type { [15 x i32] }
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; CHECK: pushq %rbx
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; CHECK-NEXT: andq $-32, %rsp
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; CHECK-NEXT: subq $66144, %rsp # imm = 0x10260
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; CHECK-NEXT: .cfi_offset %rbx, -24
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; CHECK-NEXT: movabsq $-868076584853899022, %rax # imm = 0xF3F3F8F201F2F8F2
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; CHECK-NEXT: movq %rax, (%rsp)
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; CHECK-NEXT: movb $-13, 8263(%rsp)
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; CHECK-NEXT: movq %rdi, %rbx
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; CHECK-NEXT: callq hoge
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; CHECK-NEXT: movq %rbx, %rdi
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; CHECK-NEXT: callq hoge
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; CHECK-NEXT: callq hoge
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; CHECK-NEXT: callq hoge
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; CHECK-NEXT: callq eggs
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; CHECK-NEXT: callq hoge
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; CHECK-NEXT: movq %rbx, %rax
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; CHECK-NEXT: leaq -8(%rbp), %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: .cfi_def_cfa %rsp, 8
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; CHECK-NEXT: retq
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define void @spam(%struct.snork* noalias sret %arg, %struct.snork* %arg2) {
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bb:
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%tmp = alloca i8, i64 66112, align 32
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%tmp7 = ptrtoint i8* %tmp to i64
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%tmp914 = inttoptr i64 undef to %struct.wombat*
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%tmp915 = inttoptr i64 undef to %struct.snork*
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%tmp916 = inttoptr i64 undef to %struct.snork*
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%tmp917 = inttoptr i64 undef to %struct.wombat*
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%tmp918 = inttoptr i64 undef to %struct.snork*
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%tmp921 = inttoptr i64 undef to %struct.snork*
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%tmp2055 = inttoptr i64 %tmp7 to i64*
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store i64 -868076584853899022, i64* %tmp2055, align 1
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%tmp2056 = add i64 %tmp7, 8263
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%tmp2057 = inttoptr i64 %tmp2056 to i8*
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store i8 -13, i8* %tmp2057, align 1
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br label %bb2058
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bb2058: ; preds = %bb
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call void @hoge(%struct.snork* %arg)
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call void @hoge(%struct.snork* %arg)
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call void @hoge(%struct.snork* %tmp915)
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call void @hoge(%struct.snork* %tmp916)
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call void @eggs(%struct.snork* %tmp918, %struct.wombat* %tmp914, %struct.wombat* %tmp917)
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call void @hoge(%struct.snork* %tmp921)
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ret void
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}
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declare void @hoge(%struct.snork*)
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declare void @eggs(%struct.snork*, %struct.wombat*, %struct.wombat*)
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