1 # RUN: llc -march=hexagon -eif-limit=4 -run-pass hexagon-early-if -o - %s | FileCheck %s 2 # Check that even with the limit of 4 instructions, the block bb.1 is 3 # if-converted. 4 5 # CHECK-LABEL: bb.0: 6 # CHECK: %0:intregs = COPY $r0 7 # CHECK: %1:predregs = C2_cmpeqi %0, 0 8 # CHECK: %2:intregs = A2_tfrsi 123 9 # CHECK: DBG_VALUE debug-use %0, debug-use $noreg 10 # CHECK: DBG_VALUE debug-use %0, debug-use $noreg 11 # CHECK: DBG_VALUE debug-use %0, debug-use $noreg 12 # CHECK: DBG_VALUE debug-use %0, debug-use $noreg 13 # CHECK: DBG_VALUE debug-use %0, debug-use $noreg 14 # CHECK: %3:intregs = A2_tfrsi 321 15 # CHECK: %5:intregs = C2_mux %1, %2, %3 16 17 --- | 18 define void @foo() { 19 ret void 20 } 21 !1 = !DIExpression() 22 ... 23 --- 24 name: foo 25 tracksRegLiveness: true 26 registers: 27 - { id: 0, class: intregs } 28 - { id: 1, class: predregs } 29 - { id: 2, class: intregs } 30 - { id: 3, class: intregs } 31 - { id: 4, class: intregs } 32 body: | 33 bb.0: 34 liveins: $r0 35 36 %0 = COPY $r0 37 %1 = C2_cmpeqi %0, 0 38 %2 = A2_tfrsi 123 39 J2_jumpt %1, %bb.2, implicit-def dead $pc 40 J2_jump %bb.1, implicit-def dead $pc 41 42 bb.1: 43 DBG_VALUE debug-use %0, debug-use $noreg, !1, !1 44 DBG_VALUE debug-use %0, debug-use $noreg, !1, !1 45 DBG_VALUE debug-use %0, debug-use $noreg, !1, !1 46 DBG_VALUE debug-use %0, debug-use $noreg, !1, !1 47 DBG_VALUE debug-use %0, debug-use $noreg, !1, !1 48 %3 = A2_tfrsi 321 49 50 bb.2: 51 %4 = PHI %2, %bb.0, %3, %bb.1 52 53 ... 54
