# RUN: llc -march=hexagon -hexagon-subreg-liveness -start-after machine-scheduler -stop-after stack-slot-coloring -o - %s | FileCheck %s
--- |
target triple = "hexagon"
; Function Attrs: nounwind optsize
define void @main() #0 {
entry:
br label %for.body
for.body: ; preds = %if.end82, %entry
%lsr.iv = phi i32 [ %lsr.iv.next, %if.end82 ], [ 524288, %entry ]
%call9 = tail call i32 @lrand48() #0
%conv10 = sext i32 %call9 to i64
%shr11 = lshr i64 %conv10, 9
%or12 = or i64 0, %shr11
%call14 = tail call i32 @lrand48() #0
%conv15138 = zext i32 %call14 to i64
%shr16 = lshr i64 %conv15138, 9
%0 = call i64 @llvm.hexagon.S2.extractup(i64 %conv15138, i32 22, i32 9)
%1 = shl i64 %0, 42
%shl17 = shl i64 %shr16, 42
%or22 = or i64 0, %1
%or26 = or i64 %or22, 0
%shr30 = lshr i64 undef, 25
%2 = call i64 @llvm.hexagon.S2.extractup(i64 undef, i32 6, i32 25)
%and = and i64 %shr30, 63
%sub = shl i64 2, %2
%add = add i64 %sub, -1
%shl37 = shl i64 %add, 0
%call38 = tail call i32 @lrand48() #0
%conv39141 = zext i32 %call38 to i64
%shr40 = lshr i64 %conv39141, 25
%3 = call i64 @llvm.hexagon.S2.extractup(i64 %conv39141, i32 6, i32 25)
%and41 = and i64 %shr40, 63
%sub43 = shl i64 2, %3
%add45 = add i64 %sub43, -1
%call46 = tail call i32 @lrand48() #0
%shr48 = lshr i64 undef, 25
%4 = call i64 @llvm.hexagon.S2.extractup(i64 undef, i32 6, i32 25)
%and49 = and i64 %shr48, 63
%shl50 = shl i64 %add45, %4
%and52 = and i64 %shl37, %or12
%and54 = and i64 %shl50, %or26
store i64 %and54, i64* undef, align 8
%cmp56 = icmp eq i64 %and52, 0
br i1 %cmp56, label %for.end, label %if.end82
if.end82: ; preds = %for.body
%lsr.iv.next = add nsw i32 %lsr.iv, -1
%exitcond = icmp eq i32 %lsr.iv.next, 0
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %if.end82, %for.body
unreachable
}
declare i32 @lrand48() #0
declare i64 @llvm.hexagon.S2.extractup(i64, i32, i32) #1
attributes #0 = { nounwind optsize "target-cpu"="hexagonv55" "target-features"="-hvx" }
attributes #1 = { nounwind readnone }
...
---
name: main
alignment: 4
tracksRegLiveness: true
registers:
- { id: 0, class: intregs }
- { id: 1, class: intregs }
- { id: 2, class: intregs }
- { id: 3, class: intregs }
- { id: 4, class: doubleregs }
- { id: 5, class: intregs }
- { id: 6, class: doubleregs }
- { id: 7, class: doubleregs }
- { id: 8, class: doubleregs }
- { id: 9, class: doubleregs }
- { id: 10, class: intregs }
- { id: 11, class: doubleregs }
- { id: 12, class: doubleregs }
- { id: 13, class: doubleregs }
- { id: 14, class: intregs }
- { id: 15, class: doubleregs }
- { id: 16, class: doubleregs }
- { id: 17, class: intregs }
- { id: 18, class: doubleregs }
- { id: 19, class: intregs }
- { id: 20, class: doubleregs }
- { id: 21, class: doubleregs }
- { id: 22, class: doubleregs }
- { id: 23, class: intregs }
- { id: 24, class: doubleregs }
- { id: 25, class: predregs }
- { id: 26, class: predregs }
- { id: 27, class: intregs }
- { id: 28, class: intregs }
- { id: 29, class: doubleregs }
- { id: 30, class: intregs }
- { id: 31, class: intregs }
- { id: 32, class: doubleregs }
- { id: 33, class: intregs }
- { id: 34, class: intregs }
- { id: 35, class: doubleregs }
- { id: 36, class: doubleregs }
- { id: 37, class: intregs }
- { id: 38, class: intregs }
- { id: 39, class: doubleregs }
- { id: 40, class: doubleregs }
- { id: 41, class: intregs }
- { id: 42, class: intregs }
- { id: 43, class: doubleregs }
- { id: 44, class: intregs }
- { id: 45, class: intregs }
- { id: 46, class: doubleregs }
- { id: 47, class: doubleregs }
- { id: 48, class: doubleregs }
- { id: 49, class: doubleregs }
- { id: 50, class: doubleregs }
- { id: 51, class: doubleregs }
- { id: 52, class: intregs }
- { id: 53, class: intregs }
- { id: 54, class: intregs }
- { id: 55, class: doubleregs }
- { id: 56, class: doubleregs }
- { id: 57, class: intregs }
- { id: 58, class: intregs }
- { id: 59, class: intregs }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 0
adjustsStack: false
hasCalls: true
maxCallFrameSize: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
body: |
bb.0.entry:
successors: %bb.1.for.body
%59 = A2_tfrsi 524288
undef %32.isub_hi = A2_tfrsi 0
%8 = S2_extractup undef %9, 6, 25
%47 = A2_tfrpi 2
%13 = A2_tfrpi -1
%13 = S2_asl_r_p_acc %13, %47, %8.isub_lo
%51 = A2_tfrpi 0
; CHECK: $d2 = S2_extractup undef renamable $d0, 6, 25
; CHECK: $d0 = A2_tfrpi 2
; CHECK: $d13 = A2_tfrpi -1
; CHECK-NOT: undef $r4
bb.1.for.body:
successors: %bb.3.for.end, %bb.2.if.end82
ADJCALLSTACKDOWN 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
J2_call @lrand48, implicit-def dead $d0, implicit-def dead $d1, implicit-def dead $d2, implicit-def dead $d3, implicit-def dead $d4, implicit-def dead $d5, implicit-def dead $d6, implicit-def dead $d7, implicit-def dead $r28, implicit-def dead $r31, implicit-def dead $p0, implicit-def dead $p1, implicit-def dead $p2, implicit-def dead $p3, implicit-def dead $m0, implicit-def dead $m1, implicit-def dead $lc0, implicit-def dead $lc1, implicit-def dead $sa0, implicit-def dead $sa1, implicit-def dead $usr, implicit-def $usr_ovf, implicit-def dead $cs0, implicit-def dead $cs1, implicit-def dead $w0, implicit-def dead $w1, implicit-def dead $w2, implicit-def dead $w3, implicit-def dead $w4, implicit-def dead $w5, implicit-def dead $w6, implicit-def dead $w7, implicit-def dead $w8, implicit-def dead $w9, implicit-def dead $w10, implicit-def dead $w11, implicit-def dead $w12, implicit-def dead $w13, implicit-def dead $w14, implicit-def dead $w15, implicit-def dead $q0, implicit-def dead $q1, implicit-def dead $q2, implicit-def dead $q3, implicit-def $r0
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
undef %29.isub_lo = COPY killed $r0
%29.isub_hi = S2_asr_i_r %29.isub_lo, 31
ADJCALLSTACKDOWN 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
J2_call @lrand48, implicit-def dead $d0, implicit-def dead $d1, implicit-def dead $d2, implicit-def dead $d3, implicit-def dead $d4, implicit-def dead $d5, implicit-def dead $d6, implicit-def dead $d7, implicit-def dead $r28, implicit-def dead $r31, implicit-def dead $p0, implicit-def dead $p1, implicit-def dead $p2, implicit-def dead $p3, implicit-def dead $m0, implicit-def dead $m1, implicit-def dead $lc0, implicit-def dead $lc1, implicit-def dead $sa0, implicit-def dead $sa1, implicit-def dead $usr, implicit-def $usr_ovf, implicit-def dead $cs0, implicit-def dead $cs1, implicit-def dead $w0, implicit-def dead $w1, implicit-def dead $w2, implicit-def dead $w3, implicit-def dead $w4, implicit-def dead $w5, implicit-def dead $w6, implicit-def dead $w7, implicit-def dead $w8, implicit-def dead $w9, implicit-def dead $w10, implicit-def dead $w11, implicit-def dead $w12, implicit-def dead $w13, implicit-def dead $w14, implicit-def dead $w15, implicit-def dead $q0, implicit-def dead $q1, implicit-def dead $q2, implicit-def dead $q3, implicit-def $r0
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
%32.isub_lo = COPY killed $r0
%7 = S2_extractup %32, 22, 9
ADJCALLSTACKDOWN 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
J2_call @lrand48, implicit-def dead $d0, implicit-def dead $d1, implicit-def dead $d2, implicit-def dead $d3, implicit-def dead $d4, implicit-def dead $d5, implicit-def dead $d6, implicit-def dead $d7, implicit-def dead $r28, implicit-def dead $r31, implicit-def dead $p0, implicit-def dead $p1, implicit-def dead $p2, implicit-def dead $p3, implicit-def dead $m0, implicit-def dead $m1, implicit-def dead $lc0, implicit-def dead $lc1, implicit-def dead $sa0, implicit-def dead $sa1, implicit-def dead $usr, implicit-def $usr_ovf, implicit-def dead $cs0, implicit-def dead $cs1, implicit-def dead $w0, implicit-def dead $w1, implicit-def dead $w2, implicit-def dead $w3, implicit-def dead $w4, implicit-def dead $w5, implicit-def dead $w6, implicit-def dead $w7, implicit-def dead $w8, implicit-def dead $w9, implicit-def dead $w10, implicit-def dead $w11, implicit-def dead $w12, implicit-def dead $w13, implicit-def dead $w14, implicit-def dead $w15, implicit-def dead $q0, implicit-def dead $q1, implicit-def dead $q2, implicit-def dead $q3, implicit-def $r0
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
undef %43.isub_lo = COPY killed $r0
%43.isub_hi = COPY %32.isub_hi
%16 = S2_extractup %43, 6, 25
%18 = A2_tfrpi -1
%18 = S2_asl_r_p_acc %18, %47, %16.isub_lo
ADJCALLSTACKDOWN 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
J2_call @lrand48, implicit-def dead $d0, implicit-def dead $d1, implicit-def dead $d2, implicit-def dead $d3, implicit-def dead $d4, implicit-def dead $d5, implicit-def dead $d6, implicit-def dead $d7, implicit-def dead $r28, implicit-def dead $r31, implicit-def dead $p0, implicit-def dead $p1, implicit-def dead $p2, implicit-def dead $p3, implicit-def dead $m0, implicit-def dead $m1, implicit-def dead $lc0, implicit-def dead $lc1, implicit-def dead $sa0, implicit-def dead $sa1, implicit-def dead $usr, implicit-def $usr_ovf, implicit-def dead $cs0, implicit-def dead $cs1, implicit-def dead $w0, implicit-def dead $w1, implicit-def dead $w2, implicit-def dead $w3, implicit-def dead $w4, implicit-def dead $w5, implicit-def dead $w6, implicit-def dead $w7, implicit-def dead $w8, implicit-def dead $w9, implicit-def dead $w10, implicit-def dead $w11, implicit-def dead $w12, implicit-def dead $w13, implicit-def dead $w14, implicit-def dead $w15, implicit-def dead $q0, implicit-def dead $q1, implicit-def dead $q2, implicit-def dead $q3
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
%22 = S2_asl_r_p %18, %8.isub_lo
%21 = COPY %13
%21 = S2_lsr_i_p_and %21, %29, 9
%22 = S2_asl_i_p_and %22, %7, 42
S2_storerd_io undef %23, 0, %22 :: (store (s64) into `i64* undef`)
%25 = C2_cmpeqp %21, %51
J2_jumpt %25, %bb.3.for.end, implicit-def dead $pc
J2_jump %bb.2.if.end82, implicit-def dead $pc
bb.2.if.end82:
successors: %bb.3.for.end, %bb.1.for.body
%59 = A2_addi %59, -1
%26 = C2_cmpeqi %59, 0
J2_jumpf %26, %bb.1.for.body, implicit-def dead $pc
J2_jump %bb.3.for.end, implicit-def dead $pc
bb.3.for.end:
...