# RUN: llc -mtriple thumbv7-apple-ios -start-after block-placement -stop-after block-placement -o /dev/null %s | FileCheck %s # This test ensures that the MIR parser parses the bundled machine instructions # and 'internal' register flags correctly. --- | define i32 @test1(i32 %a) { entry: %cmp = icmp sgt i32 %a, -78 %. = zext i1 %cmp to i32 ret i32 %. } define i32 @test2(i32 %a) { entry: %cmp = icmp sgt i32 %a, -78 %. = zext i1 %cmp to i32 ret i32 %. } ... --- name: test1 tracksRegLiveness: true liveins: - { reg: '%r0' } body: | bb.0.entry: liveins: %r0 ; CHECK-LABEL: name: test1 ; CHECK: %r1 = t2MOVi 0, 14, _, _ ; CHECK-NEXT: t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr ; CHECK-NEXT: BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { ; CHECK-NEXT: t2IT 12, 8, implicit-def %itstate ; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate ; CHECK-NEXT: } ; CHECK-NEXT: %r0 = tMOVr killed %r1, 14, _ ; CHECK-NEXT: tBX_RET 14, _, implicit killed %r0 %r1 = t2MOVi 0, 14, _, _ t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { t2IT 12, 8, implicit-def %itstate %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate } %r0 = tMOVr killed %r1, 14, _ tBX_RET 14, _, implicit killed %r0 ... --- name: test2 tracksRegLiveness: true liveins: - { reg: '%r0' } body: | bb.0.entry: liveins: %r0 ; Verify that the next machine instruction can be on the same line as ; '{' or '}'. ; CHECK-LABEL: name: test2 ; CHECK: %r1 = t2MOVi 0, 14, _, _ ; CHECK-NEXT: t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr ; CHECK-NEXT: BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { ; CHECK-NEXT: t2IT 12, 8, implicit-def %itstate ; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate ; CHECK-NEXT: } ; CHECK-NEXT: %r0 = tMOVr killed %r1, 14, _ ; CHECK-NEXT: tBX_RET 14, _, implicit killed %r0 %r1 = t2MOVi 0, 14, _, _ t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { t2IT 12, 8, implicit-def %itstate %r1 = t2MOVi 1, 12, killed %cpsr, _, internal implicit killed %itstate } %r0 = tMOVr killed %r1, 14, _ tBX_RET 14, _, implicit killed %r0 ...