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46cdf3f128
Currently the MIR framework prints all its outputs (errors and actual representation) on stderr. This patch fixes that by printing the regular output in the output specified with -o. Differential Revision: http://reviews.llvm.org/D22251 llvm-svn: 275314
88 lines
3.3 KiB
YAML
88 lines
3.3 KiB
YAML
# RUN: llc -mtriple=i386-unknown-linux-gnu -mcpu=slm -run-pass post-RA-sched -o - %s | FileCheck %s
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#
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# Verify that the critical antidependence breaker does not consider
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# a high byte register as available as a replacement register
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# in a certain context.
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--- |
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define void @main() { ret void }
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...
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---
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# CHECK-LABEL: main
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name: main
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allVRegsAllocated: true
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tracksRegLiveness: true
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frameInfo:
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stackSize: 52
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fixedStack:
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- { id: 0, type: spill-slot, offset: -20, size: 4, alignment: 4, callee-saved-register: '%esi' }
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- { id: 1, type: spill-slot, offset: -16, size: 4, alignment: 4, callee-saved-register: '%edi' }
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- { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4, callee-saved-register: '%ebx' }
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- { id: 3, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '%ebp' }
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stack:
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- { id: 0, type: spill-slot, offset: -53, size: 1, alignment: 1 }
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- { id: 1, type: spill-slot, offset: -48, size: 4, alignment: 4 }
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- { id: 2, type: spill-slot, offset: -32, size: 4, alignment: 4 }
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body: |
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bb.0:
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successors: %bb.1
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liveins: %ebp, %ebx, %edi, %esi
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frame-setup PUSH32r killed %ebp, implicit-def %esp, implicit %esp
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frame-setup PUSH32r killed %ebx, implicit-def %esp, implicit %esp
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frame-setup PUSH32r killed %edi, implicit-def %esp, implicit %esp
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frame-setup PUSH32r killed %esi, implicit-def %esp, implicit %esp
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%esp = frame-setup SUB32ri8 %esp, 36, implicit-def dead %eflags
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%eax = MOV32ri 1
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%ebp = MOV32ri 2
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%ebx = MOV32ri 3
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%ecx = MOV32ri 4
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%edi = MOV32ri 5
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%edx = MOV32ri 6
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bb.1:
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successors: %bb.3, %bb.2
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liveins: %eax, %ebp, %ebx, %ecx, %edi, %edx
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%ebp = SHR32rCL killed %ebp, implicit-def dead %eflags, implicit %cl
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%ebp = XOR32rr killed %ebp, killed %ebx, implicit-def dead %eflags
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TEST32rr %edx, %edx, implicit-def %eflags
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%cl = SETNEr implicit %eflags
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; This %bl def is antidependent on the above use of %ebx
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%bl = MOV8rm %esp, 1, _, 3, _ ; :: (load 1 from %stack.0)
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%cl = OR8rr killed %cl, %bl, implicit-def dead %eflags
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%esi = MOVZX32rr8 killed %cl
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%esi = ADD32rr killed %esi, killed %edi, implicit-def dead %eflags
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%ecx = MOV32rm %esp, 1, _, 24, _ ; :: (load 4 from %stack.2)
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%edx = SAR32rCL killed %edx, implicit-def dead %eflags, implicit %cl
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TEST32rr killed %edx, %edx, implicit-def %eflags
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%cl = SETNEr implicit %eflags
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; Verify that removal of the %bl antidependence does not use %ch
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; as a replacement register.
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; CHECK: %cl = AND8rr %cl, killed %b
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%cl = AND8rr killed %cl, killed %bl, implicit-def dead %eflags
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CMP32ri8 %ebp, -1, implicit-def %eflags
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%edx = MOV32ri 0
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JE_1 %bb.3, implicit %eflags
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bb.2:
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successors: %bb.3
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liveins: %cl, %eax, %ebp, %esi
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OR32mr %esp, 1, _, 8, _, killed %eax, implicit-def %eflags ; :: (store 4 into %stack.1)
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%dl = SETNEr implicit %eflags, implicit-def %edx
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bb.3:
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liveins: %cl, %ebp, %edx, %esi
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%eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
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%esp = ADD32ri8 %esp, 36, implicit-def dead %eflags
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%esi = POP32r implicit-def %esp, implicit %esp
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%edi = POP32r implicit-def %esp, implicit %esp
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%ebx = POP32r implicit-def %esp, implicit %esp
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%ebp = POP32r implicit-def %esp, implicit %esp
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RET 0, %eax
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...
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