1 # RUN: llc -mtriple thumbv7-apple-ios -start-after block-placement -stop-after block-placement -o - %s | FileCheck %s 2 # This test ensures that the MIR parser parses the bundled machine instructions 3 # and 'internal' register flags correctly. 4 5 --- | 6 7 define i32 @test1(i32 %a) { 8 entry: 9 %cmp = icmp sgt i32 %a, -78 10 %. = zext i1 %cmp to i32 11 ret i32 %. 12 } 13 14 define i32 @test2(i32 %a) { 15 entry: 16 %cmp = icmp sgt i32 %a, -78 17 %. = zext i1 %cmp to i32 18 ret i32 %. 19 } 20 21 ... 22 --- 23 name: test1 24 tracksRegLiveness: true 25 liveins: 26 - { reg: '%r0' } 27 body: | 28 bb.0.entry: 29 liveins: %r0 30 ; CHECK-LABEL: name: test1 31 ; CHECK: %r1 = t2MOVi 0, 14, _, _ 32 ; CHECK-NEXT: t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr 33 ; CHECK-NEXT: BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { 34 ; CHECK-NEXT: t2IT 12, 8, implicit-def %itstate 35 ; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate 36 ; CHECK-NEXT: } 37 ; CHECK-NEXT: %r0 = tMOVr killed %r1, 14, _ 38 ; CHECK-NEXT: tBX_RET 14, _, implicit killed %r0 39 %r1 = t2MOVi 0, 14, _, _ 40 t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr 41 BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { 42 t2IT 12, 8, implicit-def %itstate 43 %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate 44 } 45 %r0 = tMOVr killed %r1, 14, _ 46 tBX_RET 14, _, implicit killed %r0 47 ... 48 --- 49 name: test2 50 tracksRegLiveness: true 51 liveins: 52 - { reg: '%r0' } 53 body: | 54 bb.0.entry: 55 liveins: %r0 56 57 ; Verify that the next machine instruction can be on the same line as 58 ; '{' or '}'. 59 60 ; CHECK-LABEL: name: test2 61 ; CHECK: %r1 = t2MOVi 0, 14, _, _ 62 ; CHECK-NEXT: t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr 63 ; CHECK-NEXT: BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { 64 ; CHECK-NEXT: t2IT 12, 8, implicit-def %itstate 65 ; CHECK-NEXT: %r1 = t2MOVi 1, 12, killed %cpsr, _, implicit internal killed %itstate 66 ; CHECK-NEXT: } 67 ; CHECK-NEXT: %r0 = tMOVr killed %r1, 14, _ 68 ; CHECK-NEXT: tBX_RET 14, _, implicit killed %r0 69 %r1 = t2MOVi 0, 14, _, _ 70 t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr 71 BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr { t2IT 12, 8, implicit-def %itstate 72 %r1 = t2MOVi 1, 12, killed %cpsr, _, internal implicit killed %itstate 73 } %r0 = tMOVr killed %r1, 14, _ 74 tBX_RET 14, _, implicit killed %r0 75 ... 76
