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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
76 lines
1.8 KiB
YAML
76 lines
1.8 KiB
YAML
# RUN: llc -march=hexagon -run-pass hexagon-early-if %s -o - | FileCheck %s
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# Test that the LIFETIME_END instruction is not speculated and moved to a
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# different basic block.
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# CHECK: bb.1.b1:
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# CHECK: LIFETIME_END
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# CHECK: bb.2.b2:
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--- |
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%s.0 = type { %s.1 }
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%s.1 = type { %s.2 }
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%s.2 = type { %s.3 }
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%s.3 = type { %s.4 }
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%s.4 = type { %s.5 }
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%s.5 = type { i32, i32, i8* }
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
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define hidden fastcc void @f0() {
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b0:
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%v0 = alloca %s.0, align 4
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%v1 = load i8, i8* undef, align 1
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%v2 = add i8 %v1, -102
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%v3 = icmp ult i8 %v2, 1
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br i1 %v3, label %b1, label %b2
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b1: ; preds = %b0
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%v4 = bitcast %s.0* %v0 to i8*
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call void @llvm.lifetime.end.p0i8(i64 12, i8* nonnull %v4)
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br label %b2
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b2: ; preds = %b1, %b0
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ret void
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}
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attributes #0 = { argmemonly nounwind }
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...
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---
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name: f0
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alignment: 16
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registers:
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- { id: 0, class: intregs, preferred-register: '' }
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- { id: 1, class: intregs, preferred-register: '' }
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- { id: 2, class: predregs, preferred-register: '' }
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- { id: 3, class: predregs, preferred-register: '' }
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liveins:
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frameInfo:
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maxAlignment: 4
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fixedStack:
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stack:
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- { id: 0, name: v0, type: default, offset: 0, size: 12, alignment: 4 }
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constants:
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body: |
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bb.0.b0:
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successors: %bb.1.b1(0x40000000), %bb.2.b2(0x40000000)
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%1 = IMPLICIT_DEF
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%0 = L2_loadrb_io killed %1, 0 :: (load 1 from `i8* undef`)
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%2 = C2_cmpeqi killed %0, 102
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%3 = COPY killed %2
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J2_jumpf killed %3, %bb.2.b2, implicit-def dead $pc
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J2_jump %bb.1.b1, implicit-def dead $pc
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bb.1.b1:
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successors: %bb.2.b2(0x80000000)
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LIFETIME_END %stack.0.v0
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bb.2.b2:
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PS_jmpret $r31, implicit-def dead $pc
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...
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