# RUN: llc -mtriple=amdgcn-- -mcpu=gfx1030 -run-pass=print-machine-uniformity -o - %s 2>&1 | FileCheck %s
---
name: f1
tracksRegLiveness: true
body: |
; CHECK-LABEL: MachineUniformityInfo for function: f1
bb.1:
%3:_(s32) = G_CONSTANT i32 0
%25:_(s32) = G_IMPLICIT_DEF
bb.2:
%0:_(s32) = G_PHI %22(s32), %bb.5, %3(s32), %bb.1
%1:_(s32) = G_PHI %3(s32), %bb.1, %20(s32), %bb.5
%2:_(s32) = G_PHI %3(s32), %bb.1, %19(s32), %bb.5
%36:_(s32) = G_CONSTANT i32 0
%4:_(s1) = G_ICMP intpred(slt), %1(s32), %36
bb.3:
successors: %bb.4(0x04000000), %bb.3(0x7c000000)
%5:_(s32) = G_PHI %38(s32), %bb.3, %1(s32), %bb.2
%38:_(s32) = G_CONSTANT i32 0
G_BRCOND %4(s1), %bb.3
G_BR %bb.4
bb.4:
successors: %bb.7, %bb.5
%6:_(s32) = G_PHI %5(s32), %bb.3
%33:_(s1) = G_CONSTANT i1 true
%7:_(s64) = G_SEXT %2(s32)
%39:_(s32) = G_CONSTANT i32 2
%10:_(s64) = G_SHL %7, %39(s32)
%11:_(p0) = G_INTTOPTR %10(s64)
%13:_(s32) = G_LOAD %11(p0) :: (load (s32))
%37:_(s32) = G_CONSTANT i32 0
%14:sreg_32_xm0_xexec(s1) = G_ICMP intpred(slt), %13(s32), %37
%16:sreg_32_xm0_xexec(s32) = SI_IF %14(s1), %bb.5, implicit-def $exec, implicit-def $scc, implicit $exec
G_BR %bb.7
bb.5:
successors: %bb.6(0x04000000), %bb.2(0x7c000000)
; CHECK: DIVERGENT: %{{[0-9]}}: %{{[0-9]}}:_(s32) = G_PHI
; CHECK: DIVERGENT: %{{[0-9]}}: %{{[0-9]}}:_(s32) = G_PHI
; CHECK: DIVERGENT: %{{[0-9]}}: %{{[0-9]}}:_(s32) = G_PHI
; CHECK-NOT: DIVERGENT: %{{[0-9]}}: %{{[0-9]}}:sreg_32_xm0_xexec(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.if.break)
%19:_(s32) = G_PHI %18(s32), %bb.7, %25(s32), %bb.4
%20:_(s32) = G_PHI %6(s32), %bb.7, %25(s32), %bb.4
%21:_(s1) = G_PHI %34(s1), %bb.7, %33(s1), %bb.4
G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.end.cf), %16(s32)
%22:sreg_32_xm0_xexec(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.if.break), %21(s1), %0(s32)
SI_LOOP %22(s32), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
G_BR %bb.6
bb.6:
%24:_(s32) = G_PHI %22(s32), %bb.5
G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.end.cf), %24(s32)
SI_RETURN
bb.7:
%34:_(s1) = G_CONSTANT i1 false
%35:_(s32) = G_CONSTANT i32 1
%18:_(s32) = G_OR %2, %35
G_BR %bb.5
...
Codebase Browser
llvm