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d49cb60862
Summary: This catches malformed mir files which specify alignment as log2 instead of pow2. See https://reviews.llvm.org/D65945 for reference, This is patch is part of a series to introduce an Alignment type. See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html See this patch for the introduction of the type: https://reviews.llvm.org/D64790 Reviewers: courbet Subscribers: MatzeB, qcolombet, dschuff, arsenm, sdardis, nemanjai, jvesely, nhaehnle, hiraditya, kbarton, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, jsji, Petar.Avramovic, asbirlea, s.egerton, pzheng, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D67433 llvm-svn: 371608
67 lines
1.9 KiB
YAML
67 lines
1.9 KiB
YAML
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X64
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# RUN: llc -mtriple=i386-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X32
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--- |
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define i32 @test(i32 %a) {
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entry:
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%cmp = trunc i32 %a to i1
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br i1 %cmp, label %true, label %false
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true: ; preds = %entry
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ret i32 0
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false: ; preds = %entry
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ret i32 1
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}
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...
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---
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name: test
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# CHECK-LABEL: name: test
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alignment: 16
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legalized: true
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regBankSelected: true
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registers:
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- { id: 0, class: gpr, preferred-register: '' }
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- { id: 1, class: gpr, preferred-register: '' }
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- { id: 2, class: gpr, preferred-register: '' }
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- { id: 3, class: gpr, preferred-register: '' }
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# X64: %0:gr32 = COPY $edi
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# X32: %0:gr32_abcd = COPY $edi
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# CHECK-NEXT: %2:gr32 = MOV32r0 implicit-def $eflags
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# CHECK-NEXT: %3:gr32 = MOV32ri 1
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# CHECK-NEXT: %1:gr8 = COPY %0.sub_8bit
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# CHECK-NEXT: TEST8ri %1, 1, implicit-def $eflags
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# CHECK-NEXT: JCC_1 %[[TRUE:bb.[0-9]+]], 5, implicit $eflags
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# CHECK-NEXT: JMP_1 %[[FALSE:bb.[0-9]+]]
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# CHECK: [[TRUE]].{{[a-zA-Z0-9]+}}:
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# CHECK-NEXT: $eax = COPY %2
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# CHECK-NEXT: RET 0, implicit $eax
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# CHECK: [[FALSE]].{{[a-zA-Z0-9]+}}:
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# CHECK-NEXT: $eax = COPY %3
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# CHECK-NEXT: RET 0, implicit $eax
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body: |
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bb.1.entry:
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successors: %bb.2(0x40000000), %bb.3(0x40000000)
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liveins: $edi
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%0(s32) = COPY $edi
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%2(s32) = G_CONSTANT i32 0
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%3(s32) = G_CONSTANT i32 1
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%1(s1) = G_TRUNC %0(s32)
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G_BRCOND %1(s1), %bb.2
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G_BR %bb.3
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bb.2.true:
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$eax = COPY %2(s32)
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RET 0, implicit $eax
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bb.3.false:
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$eax = COPY %3(s32)
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RET 0, implicit $eax
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...
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