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android / toolchain / rustc / refs/heads/main / . / src / llvm-project / llvm / test / CodeGen / AMDGPU / GlobalISel / divergence-divergent-i1-phis-no-lane-mask-merging.mir
blob: d314ebe355f51d0c0cf0cb811cd7409de1d0b14a [file] [log] [blame]
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
# RUN: llc -global-isel -mtriple=amdgcn-mesa-amdpal -mcpu=gfx1010 -run-pass=amdgpu-global-isel-divergence-lowering %s -o - | FileCheck -check-prefix=GFX10 %s
--- |
define void @divergent_i1_phi_uniform_branch() {ret void}
define void @divergent_i1_phi_uniform_branch_simple() {ret void}
define void @divergent_i1_phi_used_inside_loop() {ret void}
define void @divergent_i1_phi_used_inside_loop_bigger_loop_body() {ret void}
define void @_amdgpu_cs_main() #0 {ret void}
attributes #0 = {"amdgpu-flat-work-group-size"="1,1"}
...
---
name: divergent_i1_phi_uniform_branch
legalized: true
tracksRegLiveness: true
body: |
; GFX10-LABEL: name: divergent_i1_phi_uniform_branch
; GFX10: bb.0:
; GFX10-NEXT: successors: %bb.1(0x30000000), %bb.2(0x50000000)
; GFX10-NEXT: liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; GFX10-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
; GFX10-NEXT: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
; GFX10-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
; GFX10-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $sgpr0
; GFX10-NEXT: [[COPY4:%[0-9]+]]:_(s32) = COPY $vgpr3
; GFX10-NEXT: [[COPY5:%[0-9]+]]:_(s32) = COPY $vgpr4
; GFX10-NEXT: [[MV1:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[COPY4]](s32), [[COPY5]](s32)
; GFX10-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 6
; GFX10-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(uge), [[COPY2]](s32), [[C]]
; GFX10-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY3]](s32), [[C1]]
; GFX10-NEXT: G_BRCOND [[ICMP1]](s1), %bb.2
; GFX10-NEXT: G_BR %bb.1
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.1:
; GFX10-NEXT: successors: %bb.3(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 123
; GFX10-NEXT: G_STORE [[C2]](s32), [[MV1]](p1) :: (store (s32), addrspace 1)
; GFX10-NEXT: G_BR %bb.3
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.2:
; GFX10-NEXT: successors: %bb.4(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI:%[0-9]+]]:_(s1) = G_PHI %14(s1), %bb.3, [[ICMP]](s1), %bb.0
; GFX10-NEXT: G_BR %bb.4
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.3:
; GFX10-NEXT: successors: %bb.2(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ult), [[COPY2]](s32), [[C3]]
; GFX10-NEXT: G_BR %bb.2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.4:
; GFX10-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; GFX10-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[PHI]](s1), [[C5]], [[C4]]
; GFX10-NEXT: G_STORE [[SELECT]](s32), [[MV]](p1) :: (store (s32), addrspace 1)
; GFX10-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1(0x30000000), %bb.2(0x50000000)
liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(p1) = G_MERGE_VALUES %0(s32), %1(s32)
%3:_(s32) = COPY $vgpr2
%4:_(s32) = COPY $sgpr0
%5:_(s32) = COPY $vgpr3
%6:_(s32) = COPY $vgpr4
%7:_(p1) = G_MERGE_VALUES %5(s32), %6(s32)
%8:_(s32) = G_CONSTANT i32 6
%9:_(s1) = G_ICMP intpred(uge), %3(s32), %8
%10:_(s32) = G_CONSTANT i32 0
%11:_(s1) = G_ICMP intpred(ne), %4(s32), %10
G_BRCOND %11(s1), %bb.2
G_BR %bb.1
bb.1:
successors: %bb.3(0x80000000)
%12:_(s32) = G_CONSTANT i32 123
G_STORE %12(s32), %7(p1) :: (store (s32), addrspace 1)
G_BR %bb.3
bb.2:
successors: %bb.4(0x80000000)
%13:_(s1) = G_PHI %14(s1), %bb.3, %9(s1), %bb.0
G_BR %bb.4
bb.3:
successors: %bb.2(0x80000000)
%15:_(s32) = G_CONSTANT i32 1
%14:_(s1) = G_ICMP intpred(ult), %3(s32), %15
G_BR %bb.2
bb.4:
%16:_(s32) = G_CONSTANT i32 2
%17:_(s32) = G_CONSTANT i32 1
%18:_(s32) = G_SELECT %13(s1), %17, %16
G_STORE %18(s32), %2(p1) :: (store (s32), addrspace 1)
S_ENDPGM 0
...
---
name: divergent_i1_phi_uniform_branch_simple
legalized: true
tracksRegLiveness: true
body: |
; GFX10-LABEL: name: divergent_i1_phi_uniform_branch_simple
; GFX10: bb.0:
; GFX10-NEXT: successors: %bb.1(0x30000000), %bb.2(0x50000000)
; GFX10-NEXT: liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; GFX10-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
; GFX10-NEXT: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
; GFX10-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
; GFX10-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $sgpr0
; GFX10-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 6
; GFX10-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(uge), [[COPY2]](s32), [[C]]
; GFX10-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY3]](s32), [[C1]]
; GFX10-NEXT: G_BRCOND [[ICMP1]](s1), %bb.2
; GFX10-NEXT: G_BR %bb.1
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.1:
; GFX10-NEXT: successors: %bb.2(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ult), [[COPY2]](s32), [[C2]]
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.2:
; GFX10-NEXT: [[PHI:%[0-9]+]]:_(s1) = G_PHI [[ICMP]](s1), %bb.0, [[ICMP2]](s1), %bb.1
; GFX10-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; GFX10-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[PHI]](s1), [[C4]], [[C3]]
; GFX10-NEXT: G_STORE [[SELECT]](s32), [[MV]](p1) :: (store (s32), addrspace 1)
; GFX10-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1(0x30000000), %bb.2(0x50000000)
liveins: $sgpr0, $vgpr0, $vgpr1, $vgpr2
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(p1) = G_MERGE_VALUES %0(s32), %1(s32)
%3:_(s32) = COPY $vgpr2
%4:_(s32) = COPY $sgpr0
%5:_(s32) = G_CONSTANT i32 6
%6:_(s1) = G_ICMP intpred(uge), %3(s32), %5
%7:_(s32) = G_CONSTANT i32 0
%8:_(s1) = G_ICMP intpred(ne), %4(s32), %7
G_BRCOND %8(s1), %bb.2
G_BR %bb.1
bb.1:
successors: %bb.2(0x80000000)
%9:_(s32) = G_CONSTANT i32 1
%10:_(s1) = G_ICMP intpred(ult), %3(s32), %9
bb.2:
%11:_(s1) = G_PHI %6(s1), %bb.0, %10(s1), %bb.1
%12:_(s32) = G_CONSTANT i32 2
%13:_(s32) = G_CONSTANT i32 1
%14:_(s32) = G_SELECT %11(s1), %13, %12
G_STORE %14(s32), %2(p1) :: (store (s32), addrspace 1)
S_ENDPGM 0
...
---
name: divergent_i1_phi_used_inside_loop
legalized: true
tracksRegLiveness: true
body: |
; GFX10-LABEL: name: divergent_i1_phi_used_inside_loop
; GFX10: bb.0:
; GFX10-NEXT: successors: %bb.1(0x80000000)
; GFX10-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; GFX10-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
; GFX10-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
; GFX10-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY1]](s32), [[COPY2]](s32)
; GFX10-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; GFX10-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.1:
; GFX10-NEXT: successors: %bb.2(0x04000000), %bb.1(0x7c000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI:%[0-9]+]]:_(s32) = G_PHI %7(s32), %bb.1, [[C1]](s32), %bb.0
; GFX10-NEXT: [[PHI1:%[0-9]+]]:_(s32) = G_PHI [[C1]](s32), %bb.0, %9(s32), %bb.1
; GFX10-NEXT: [[PHI2:%[0-9]+]]:_(s1) = G_PHI [[C]](s1), %bb.0, %11(s1), %bb.1
; GFX10-NEXT: [[C2:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; GFX10-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[PHI2]], [[C2]]
; GFX10-NEXT: [[UITOFP:%[0-9]+]]:_(s32) = G_UITOFP [[PHI1]](s32)
; GFX10-NEXT: [[FCMP:%[0-9]+]]:_(s1) = G_FCMP floatpred(ogt), [[UITOFP]](s32), [[COPY]]
; GFX10-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[PHI1]], [[C3]]
; GFX10-NEXT: [[INTRINSIC_CONVERGENT:%[0-9]+]]:sreg_32_xm0_xexec(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.if.break), [[FCMP]](s1), [[PHI]](s32)
; GFX10-NEXT: SI_LOOP [[INTRINSIC_CONVERGENT]](s32), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
; GFX10-NEXT: G_BR %bb.2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.2:
; GFX10-NEXT: [[PHI3:%[0-9]+]]:_(s1) = G_PHI [[XOR]](s1), %bb.1
; GFX10-NEXT: [[PHI4:%[0-9]+]]:_(s32) = G_PHI [[INTRINSIC_CONVERGENT]](s32), %bb.1
; GFX10-NEXT: G_INTRINSIC_CONVERGENT_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.end.cf), [[PHI4]](s32)
; GFX10-NEXT: [[C4:%[0-9]+]]:_(s32) = G_FCONSTANT float 0.000000e+00
; GFX10-NEXT: [[C5:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
; GFX10-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[PHI3]](s1), [[C5]], [[C4]]
; GFX10-NEXT: G_STORE [[SELECT]](s32), [[MV]](p0) :: (store (s32))
; GFX10-NEXT: SI_RETURN
bb.0:
successors: %bb.1(0x80000000)
liveins: $vgpr0, $vgpr1, $vgpr2
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(p0) = G_MERGE_VALUES %1(s32), %2(s32)
%4:_(s1) = G_CONSTANT i1 true
%5:_(s32) = G_CONSTANT i32 0
bb.1:
successors: %bb.2(0x04000000), %bb.1(0x7c000000)
%6:_(s32) = G_PHI %7(s32), %bb.1, %5(s32), %bb.0
%8:_(s32) = G_PHI %5(s32), %bb.0, %9(s32), %bb.1
%10:_(s1) = G_PHI %4(s1), %bb.0, %11(s1), %bb.1
%12:_(s1) = G_CONSTANT i1 true
%11:_(s1) = G_XOR %10, %12
%13:_(s32) = G_UITOFP %8(s32)
%14:_(s1) = G_FCMP floatpred(ogt), %13(s32), %0
%15:_(s32) = G_CONSTANT i32 1
%9:_(s32) = G_ADD %8, %15
%7:sreg_32_xm0_xexec(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.if.break), %14(s1), %6(s32)
SI_LOOP %7(s32), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
G_BR %bb.2
bb.2:
%16:_(s1) = G_PHI %11(s1), %bb.1
%17:_(s32) = G_PHI %7(s32), %bb.1
G_INTRINSIC_CONVERGENT_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.end.cf), %17(s32)
%18:_(s32) = G_FCONSTANT float 0.000000e+00
%19:_(s32) = G_FCONSTANT float 1.000000e+00
%20:_(s32) = G_SELECT %16(s1), %19, %18
G_STORE %20(s32), %3(p0) :: (store (s32))
SI_RETURN
...
---
name: divergent_i1_phi_used_inside_loop_bigger_loop_body
legalized: true
tracksRegLiveness: true
body: |
; GFX10-LABEL: name: divergent_i1_phi_used_inside_loop_bigger_loop_body
; GFX10: bb.0:
; GFX10-NEXT: successors: %bb.1(0x80000000)
; GFX10-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
; GFX10-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
; GFX10-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
; GFX10-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $vgpr3
; GFX10-NEXT: [[MV:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
; GFX10-NEXT: [[COPY4:%[0-9]+]]:_(s32) = COPY $vgpr4
; GFX10-NEXT: [[COPY5:%[0-9]+]]:_(s32) = COPY $vgpr5
; GFX10-NEXT: [[MV1:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY4]](s32), [[COPY5]](s32)
; GFX10-NEXT: [[COPY6:%[0-9]+]]:_(s32) = COPY $vgpr6
; GFX10-NEXT: [[COPY7:%[0-9]+]]:_(s32) = COPY $vgpr7
; GFX10-NEXT: [[MV2:%[0-9]+]]:_(p0) = G_MERGE_VALUES [[COPY6]](s32), [[COPY7]](s32)
; GFX10-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
; GFX10-NEXT: [[FCMP:%[0-9]+]]:_(s1) = G_FCMP floatpred(ogt), [[COPY1]](s32), [[C1]]
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.1:
; GFX10-NEXT: successors: %bb.4(0x40000000), %bb.2(0x40000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI:%[0-9]+]]:_(s32) = G_PHI %15(s32), %bb.5, [[C]](s32), %bb.0
; GFX10-NEXT: [[PHI1:%[0-9]+]]:_(s32) = G_PHI [[C]](s32), %bb.0, %17(s32), %bb.5
; GFX10-NEXT: [[PHI2:%[0-9]+]]:_(s1) = G_PHI [[FCMP]](s1), %bb.0, %19(s1), %bb.5
; GFX10-NEXT: [[C2:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; GFX10-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1000
; GFX10-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sle), [[PHI1]](s32), [[C3]]
; GFX10-NEXT: G_BRCOND [[ICMP]](s1), %bb.4
; GFX10-NEXT: G_BR %bb.2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.2:
; GFX10-NEXT: successors: %bb.3(0x40000000), %bb.5(0x40000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI3:%[0-9]+]]:_(s1) = G_PHI %24(s1), %bb.4, [[C2]](s1), %bb.1
; GFX10-NEXT: [[C4:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; GFX10-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[PHI3]], [[C4]]
; GFX10-NEXT: G_BRCOND [[XOR]](s1), %bb.5
; GFX10-NEXT: G_BR %bb.3
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.3:
; GFX10-NEXT: successors: %bb.5(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 1000
; GFX10-NEXT: G_STORE [[C5]](s32), [[MV1]](p0) :: (store (s32))
; GFX10-NEXT: G_BR %bb.5
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.4:
; GFX10-NEXT: successors: %bb.2(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C6:%[0-9]+]]:_(s1) = G_CONSTANT i1 false
; GFX10-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 1000
; GFX10-NEXT: G_STORE [[C7]](s32), [[MV2]](p0) :: (store (s32))
; GFX10-NEXT: G_BR %bb.2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.5:
; GFX10-NEXT: successors: %bb.6(0x04000000), %bb.1(0x7c000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C8:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; GFX10-NEXT: [[XOR1:%[0-9]+]]:_(s1) = G_XOR [[PHI2]], [[C8]]
; GFX10-NEXT: [[UITOFP:%[0-9]+]]:_(s32) = G_UITOFP [[PHI1]](s32)
; GFX10-NEXT: [[FCMP1:%[0-9]+]]:_(s1) = G_FCMP floatpred(ogt), [[UITOFP]](s32), [[COPY]]
; GFX10-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[PHI1]], [[C9]]
; GFX10-NEXT: [[INTRINSIC_CONVERGENT:%[0-9]+]]:sreg_32_xm0_xexec(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.if.break), [[FCMP1]](s1), [[PHI]](s32)
; GFX10-NEXT: SI_LOOP [[INTRINSIC_CONVERGENT]](s32), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
; GFX10-NEXT: G_BR %bb.6
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.6:
; GFX10-NEXT: [[PHI4:%[0-9]+]]:_(s1) = G_PHI [[XOR1]](s1), %bb.5
; GFX10-NEXT: [[PHI5:%[0-9]+]]:_(s32) = G_PHI [[INTRINSIC_CONVERGENT]](s32), %bb.5
; GFX10-NEXT: G_INTRINSIC_CONVERGENT_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.end.cf), [[PHI5]](s32)
; GFX10-NEXT: [[C10:%[0-9]+]]:_(s32) = G_FCONSTANT float 0.000000e+00
; GFX10-NEXT: [[C11:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
; GFX10-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[PHI4]](s1), [[C11]], [[C10]]
; GFX10-NEXT: G_STORE [[SELECT]](s32), [[MV]](p0) :: (store (s32))
; GFX10-NEXT: SI_RETURN
bb.0:
successors: %bb.1(0x80000000)
liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $vgpr2
%3:_(s32) = COPY $vgpr3
%4:_(p0) = G_MERGE_VALUES %2(s32), %3(s32)
%5:_(s32) = COPY $vgpr4
%6:_(s32) = COPY $vgpr5
%7:_(p0) = G_MERGE_VALUES %5(s32), %6(s32)
%8:_(s32) = COPY $vgpr6
%9:_(s32) = COPY $vgpr7
%10:_(p0) = G_MERGE_VALUES %8(s32), %9(s32)
%11:_(s32) = G_CONSTANT i32 0
%12:_(s32) = G_FCONSTANT float 1.000000e+00
%13:_(s1) = G_FCMP floatpred(ogt), %1(s32), %12
bb.1:
successors: %bb.4(0x40000000), %bb.2(0x40000000)
%14:_(s32) = G_PHI %15(s32), %bb.5, %11(s32), %bb.0
%16:_(s32) = G_PHI %11(s32), %bb.0, %17(s32), %bb.5
%18:_(s1) = G_PHI %13(s1), %bb.0, %19(s1), %bb.5
%20:_(s1) = G_CONSTANT i1 true
%21:_(s32) = G_CONSTANT i32 1000
%22:_(s1) = G_ICMP intpred(sle), %16(s32), %21
G_BRCOND %22(s1), %bb.4
G_BR %bb.2
bb.2:
successors: %bb.3(0x40000000), %bb.5(0x40000000)
%23:_(s1) = G_PHI %24(s1), %bb.4, %20(s1), %bb.1
%25:_(s1) = G_CONSTANT i1 true
%26:_(s1) = G_XOR %23, %25
G_BRCOND %26(s1), %bb.5
G_BR %bb.3
bb.3:
successors: %bb.5(0x80000000)
%27:_(s32) = G_CONSTANT i32 1000
G_STORE %27(s32), %7(p0) :: (store (s32))
G_BR %bb.5
bb.4:
successors: %bb.2(0x80000000)
%24:_(s1) = G_CONSTANT i1 false
%28:_(s32) = G_CONSTANT i32 1000
G_STORE %28(s32), %10(p0) :: (store (s32))
G_BR %bb.2
bb.5:
successors: %bb.6(0x04000000), %bb.1(0x7c000000)
%29:_(s1) = G_CONSTANT i1 true
%19:_(s1) = G_XOR %18, %29
%30:_(s32) = G_UITOFP %16(s32)
%31:_(s1) = G_FCMP floatpred(ogt), %30(s32), %0
%32:_(s32) = G_CONSTANT i32 1
%17:_(s32) = G_ADD %16, %32
%15:sreg_32_xm0_xexec(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.if.break), %31(s1), %14(s32)
SI_LOOP %15(s32), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
G_BR %bb.6
bb.6:
%33:_(s1) = G_PHI %19(s1), %bb.5
%34:_(s32) = G_PHI %15(s32), %bb.5
G_INTRINSIC_CONVERGENT_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.end.cf), %34(s32)
%35:_(s32) = G_FCONSTANT float 0.000000e+00
%36:_(s32) = G_FCONSTANT float 1.000000e+00
%37:_(s32) = G_SELECT %33(s1), %36, %35
G_STORE %37(s32), %4(p0) :: (store (s32))
SI_RETURN
...
---
name: _amdgpu_cs_main
legalized: true
tracksRegLiveness: true
body: |
; GFX10-LABEL: name: _amdgpu_cs_main
; GFX10: bb.0:
; GFX10-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; GFX10-NEXT: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $vgpr0, $vgpr1, $vgpr2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
; GFX10-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr1
; GFX10-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr0
; GFX10-NEXT: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
; GFX10-NEXT: [[INT:%[0-9]+]]:_(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.s.getpc)
; GFX10-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -4294967296
; GFX10-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[INT]], [[C]]
; GFX10-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY]](s32)
; GFX10-NEXT: [[OR:%[0-9]+]]:_(s64) = G_OR [[AND]], [[ZEXT]]
; GFX10-NEXT: [[INTTOPTR:%[0-9]+]]:_(p4) = G_INTTOPTR [[OR]](s64)
; GFX10-NEXT: [[LOAD:%[0-9]+]]:_(<8 x s32>) = G_LOAD [[INTTOPTR]](p4) :: (load (<8 x s32>))
; GFX10-NEXT: [[BITCAST:%[0-9]+]]:_(s256) = G_BITCAST [[LOAD]](<8 x s32>)
; GFX10-NEXT: [[TRUNC:%[0-9]+]]:_(s128) = G_TRUNC [[BITCAST]](s256)
; GFX10-NEXT: [[BITCAST1:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[TRUNC]](s128)
; GFX10-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
; GFX10-NEXT: [[INT1:%[0-9]+]]:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.mbcnt.lo), [[C2]](s32), [[C1]](s32)
; GFX10-NEXT: [[INT2:%[0-9]+]]:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.mbcnt.hi), [[C2]](s32), [[INT1]](s32)
; GFX10-NEXT: [[FREEZE:%[0-9]+]]:_(s32) = G_FREEZE [[INT2]]
; GFX10-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; GFX10-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[FREEZE]], [[C3]](s32)
; GFX10-NEXT: [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:_(s32) = G_AMDGPU_BUFFER_LOAD [[BITCAST1]](<4 x s32>), [[C1]](s32), [[SHL]], [[C1]], 0, 0, 0 :: (load (s32), align 1, addrspace 8)
; GFX10-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[AMDGPU_BUFFER_LOAD]](s32), [[C1]]
; GFX10-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; GFX10-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[FREEZE]], [[C4]]
; GFX10-NEXT: [[TRUNC1:%[0-9]+]]:_(s1) = G_TRUNC [[AND1]](s32)
; GFX10-NEXT: [[C5:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
; GFX10-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR [[TRUNC1]], [[C5]]
; GFX10-NEXT: G_BRCOND [[XOR]](s1), %bb.2
; GFX10-NEXT: G_BR %bb.1
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.1:
; GFX10-NEXT: successors: %bb.3(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: G_BR %bb.3
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.2:
; GFX10-NEXT: successors: %bb.5(0x40000000), %bb.6(0x40000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI:%[0-9]+]]:_(s32) = G_PHI %30(s32), %bb.4, [[DEF]](s32), %bb.0
; GFX10-NEXT: [[PHI1:%[0-9]+]]:_(s1) = G_PHI %32(s1), %bb.4, [[C5]](s1), %bb.0
; GFX10-NEXT: G_BRCOND [[PHI1]](s1), %bb.5
; GFX10-NEXT: G_BR %bb.6
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.3:
; GFX10-NEXT: successors: %bb.4(0x04000000), %bb.3(0x7c000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI2:%[0-9]+]]:_(s32) = G_PHI %34(s32), %bb.3, [[C6]](s32), %bb.1
; GFX10-NEXT: [[PHI3:%[0-9]+]]:_(s32) = G_PHI %36(s32), %bb.3, [[FREEZE]](s32), %bb.1
; GFX10-NEXT: [[PHI4:%[0-9]+]]:_(s32) = G_PHI %38(s32), %bb.3, [[C6]](s32), %bb.1
; GFX10-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:_(s32) = G_AMDGPU_BUFFER_LOAD [[BITCAST1]](<4 x s32>), [[C7]](s32), [[PHI2]], [[C7]], 0, 0, 0 :: (load (s32), align 1, addrspace 8)
; GFX10-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[AMDGPU_BUFFER_LOAD1]], [[PHI4]]
; GFX10-NEXT: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
; GFX10-NEXT: [[ADD1:%[0-9]+]]:_(s32) = G_ADD [[PHI3]], [[C8]]
; GFX10-NEXT: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
; GFX10-NEXT: [[ADD2:%[0-9]+]]:_(s32) = G_ADD [[PHI2]], [[C9]]
; GFX10-NEXT: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[ADD1]](s32), [[C7]]
; GFX10-NEXT: G_BRCOND [[ICMP1]](s1), %bb.3
; GFX10-NEXT: G_BR %bb.4
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.4:
; GFX10-NEXT: successors: %bb.2(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[PHI5:%[0-9]+]]:_(s32) = G_PHI [[ADD]](s32), %bb.3
; GFX10-NEXT: [[C10:%[0-9]+]]:_(s1) = G_CONSTANT i1 false
; GFX10-NEXT: [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[PHI5]](s32), [[AMDGPU_BUFFER_LOAD]]
; GFX10-NEXT: [[OR1:%[0-9]+]]:_(s1) = G_OR [[ICMP]], [[ICMP2]]
; GFX10-NEXT: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s1)
; GFX10-NEXT: G_BR %bb.2
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.5:
; GFX10-NEXT: successors: %bb.6(0x80000000)
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[ICMP]](s1)
; GFX10-NEXT: [[C11:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; GFX10-NEXT: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[C11]]
; GFX10-NEXT: {{ $}}
; GFX10-NEXT: bb.6:
; GFX10-NEXT: [[PHI6:%[0-9]+]]:_(s32) = G_PHI [[PHI]](s32), %bb.2, [[OR2]](s32), %bb.5
; GFX10-NEXT: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[LOAD]](<8 x s32>)
; GFX10-NEXT: [[ADD3:%[0-9]+]]:_(s32) = G_ADD [[COPY2]], [[COPY1]]
; GFX10-NEXT: [[C12:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
; GFX10-NEXT: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[ADD3]], [[C12]](s32)
; GFX10-NEXT: [[C13:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; GFX10-NEXT: G_AMDGPU_BUFFER_STORE [[PHI6]](s32), [[UV1]](<4 x s32>), [[C13]](s32), [[SHL1]], [[C13]], 0, 0, 0 :: (store (s32), align 1, addrspace 8)
; GFX10-NEXT: S_ENDPGM 0
bb.0:
successors: %bb.1(0x40000000), %bb.2(0x40000000)
liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $vgpr0, $vgpr1, $vgpr2
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s32) = COPY $vgpr0
%3:_(s32) = G_IMPLICIT_DEF
%4:_(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.s.getpc)
%5:_(s64) = G_CONSTANT i64 -4294967296
%6:_(s64) = G_AND %4, %5
%7:_(s64) = G_ZEXT %0(s32)
%8:_(s64) = G_OR %6, %7
%9:_(p4) = G_INTTOPTR %8(s64)
%10:_(<8 x s32>) = G_LOAD %9(p4) :: (load (<8 x s32>))
%11:_(s256) = G_BITCAST %10(<8 x s32>)
%12:_(s128) = G_TRUNC %11(s256)
%13:_(<4 x s32>) = G_BITCAST %12(s128)
%15:_(s32) = G_CONSTANT i32 0
%14:_(s32) = G_CONSTANT i32 -1
%16:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.mbcnt.lo), %14(s32), %15(s32)
%17:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.mbcnt.hi), %14(s32), %16(s32)
%18:_(s32) = G_FREEZE %17
%19:_(s32) = G_CONSTANT i32 2
%20:_(s32) = G_SHL %18, %19(s32)
%21:_(s32) = G_AMDGPU_BUFFER_LOAD %13(<4 x s32>), %15(s32), %20, %15, 0, 0, 0 :: (load (s32), align 1, addrspace 8)
%22:_(s1) = G_ICMP intpred(eq), %21(s32), %15
%23:_(s32) = G_CONSTANT i32 1
%24:_(s32) = G_AND %18, %23
%25:_(s1) = G_TRUNC %24(s32)
%26:_(s1) = G_CONSTANT i1 true
%27:_(s1) = G_XOR %25, %26
G_BRCOND %27(s1), %bb.2
G_BR %bb.1
bb.1:
successors: %bb.3(0x80000000)
%28:_(s32) = G_CONSTANT i32 0
G_BR %bb.3
bb.2:
successors: %bb.5(0x40000000), %bb.6(0x40000000)
%29:_(s32) = G_PHI %30(s32), %bb.4, %3(s32), %bb.0
%31:_(s1) = G_PHI %32(s1), %bb.4, %26(s1), %bb.0
G_BRCOND %31(s1), %bb.5
G_BR %bb.6
bb.3:
successors: %bb.4(0x04000000), %bb.3(0x7c000000)
%33:_(s32) = G_PHI %34(s32), %bb.3, %28(s32), %bb.1
%35:_(s32) = G_PHI %36(s32), %bb.3, %18(s32), %bb.1
%37:_(s32) = G_PHI %38(s32), %bb.3, %28(s32), %bb.1
%39:_(s32) = G_CONSTANT i32 0
%40:_(s32) = G_AMDGPU_BUFFER_LOAD %13(<4 x s32>), %39(s32), %33, %39, 0, 0, 0 :: (load (s32), align 1, addrspace 8)
%38:_(s32) = G_ADD %40, %37
%41:_(s32) = G_CONSTANT i32 -1
%36:_(s32) = G_ADD %35, %41
%42:_(s32) = G_CONSTANT i32 4
%34:_(s32) = G_ADD %33, %42
%43:_(s1) = G_ICMP intpred(ne), %36(s32), %39
G_BRCOND %43(s1), %bb.3
G_BR %bb.4
bb.4:
successors: %bb.2(0x80000000)
%44:_(s32) = G_PHI %38(s32), %bb.3
%32:_(s1) = G_CONSTANT i1 false
%45:_(s1) = G_ICMP intpred(eq), %44(s32), %21
%46:_(s1) = G_OR %22, %45
%30:_(s32) = G_ZEXT %46(s1)
G_BR %bb.2
bb.5:
successors: %bb.6(0x80000000)
%47:_(s32) = G_ZEXT %22(s1)
%48:_(s32) = G_CONSTANT i32 2
%49:_(s32) = G_OR %47, %48
bb.6:
%50:_(s32) = G_PHI %29(s32), %bb.2, %49(s32), %bb.5
%51:_(<4 x s32>), %52:_(<4 x s32>) = G_UNMERGE_VALUES %10(<8 x s32>)
%53:_(s32) = G_ADD %2, %1
%54:_(s32) = G_CONSTANT i32 2
%55:_(s32) = G_SHL %53, %54(s32)
%56:_(s32) = G_CONSTANT i32 0
G_AMDGPU_BUFFER_STORE %50(s32), %52(<4 x s32>), %56(s32), %55, %56, 0, 0, 0 :: (store (s32), align 1, addrspace 8)
S_ENDPGM 0
...