106 lines
3.0 KiB
YAML
106 lines
3.0 KiB
YAML
# RUN: llc -mtriple=x86_64-linux -run-pass=block-placement -o - %s | FileCheck %s
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---
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# check loop bb.7 is not merged with bb.10, bb.13
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# check loop bb.9 is not merged with bb.12
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# CHECK: bb.2:
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# CHECK-NEXT: successors: %bb.3(0x30000000), %bb.4(0x50000000)
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# CHECK: $rax = MOV64rm $r14, 1, $noreg, 0, $noreg
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# CHECK-NEXT: TEST64rr $rax, $rax
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# CHECK-NEXT: JE_1 %bb.3
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# CHECK: bb.4:
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# CHECK-NEXT: successors: %bb.5(0x30000000), %bb.10(0x50000000)
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# CHECK: CMP64mi8 killed $rax, 1, $noreg, 8, $noreg, 0
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# CHECK-NEXT: JNE_1 %bb.10
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# CHECK: bb.5:
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# CHECK-NEXT: successors: %bb.6(0x30000000), %bb.7(0x50000000)
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# CHECK: $rax = MOV64rm $r14, 1, $noreg, 0, $noreg
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# CHECK-NEXT: TEST64rr $rax, $rax
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# CHECK-NEXT: JE_1 %bb.6
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# CHECK: bb.7
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# CHECK-NEXT: successors: %bb.8(0x71555555), %bb.10(0x0eaaaaab)
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# CHECK: CMP64mi8 killed $rax, 1, $noreg, 8, $noreg, 0
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# CHECK-NEXT: JNE_1 %bb.10
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# CHECK: bb.8:
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# CHECK-NEXT: successors: %bb.9(0x04000000), %bb.7(0x7c000000)
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# CHECK: $rax = MOV64rm $r14, 1, $noreg, 0, $noreg
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# CHECK-NEXT: TEST64rr $rax, $rax
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# CHECK-NEXT: JNE_1 %bb.7
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name: foo
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body: |
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bb.0:
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successors: %bb.1(0x40000000), %bb.7(0x40000000)
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TEST8ri $dl, 1, implicit-def $eflags, implicit killed $edx
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JE_1 %bb.7, implicit $eflags
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bb.1:
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successors: %bb.16(0x80000000)
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$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
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JMP_1 %bb.16
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bb.7:
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successors: %bb.8(0x30000000), %bb.9(0x50000000)
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$rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load 8)
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TEST64rr $rax, $rax, implicit-def $eflags
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JNE_1 %bb.9, implicit killed $eflags
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bb.8:
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successors: %bb.16(0x80000000)
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$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
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JMP_1 %bb.16
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bb.9:
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successors: %bb.10(0x30000000), %bb.15(0x50000000)
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CMP64mi8 killed $rax, 1, $noreg, 8, $noreg, 0, implicit-def $eflags :: (load 8)
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JNE_1 %bb.15, implicit $eflags
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bb.10:
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successors: %bb.11(0x30000000), %bb.12(0x50000000)
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$rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load 8)
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TEST64rr $rax, $rax, implicit-def $eflags
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JNE_1 %bb.12, implicit $eflags
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bb.11:
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successors: %bb.16(0x80000000)
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$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
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JMP_1 %bb.16
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bb.12:
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successors: %bb.13(0x71555555), %bb.15(0x0eaaaaab)
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CMP64mi8 killed $rax, 1, $noreg, 8, $noreg, 0, implicit-def $eflags :: (load 8), (load 8)
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JNE_1 %bb.15, implicit $eflags
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bb.13:
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successors: %bb.14(0x04000000), %bb.12(0x7c000000)
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$rax = MOV64rm $r14, 1, $noreg, 0, $noreg :: (load 8)
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TEST64rr $rax, $rax, implicit-def $eflags
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JNE_1 %bb.12, implicit $eflags
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bb.14:
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successors: %bb.16(0x80000000)
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$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
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JMP_1 %bb.16
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bb.15:
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successors: %bb.16(0x80000000)
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$ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags
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dead $eax = XOR32rr undef $eax, undef $eax, implicit-def dead $eflags, implicit-def $al
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bb.16:
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RETQ $eax
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...
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