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