llvm/test/CodeGen/NVPTX/switch.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc < %s -mcpu=sm_30 -mattr=+ptx60 -verify-machineinstrs | FileCheck %s

target triple = "nvptx64-unknown-nvidiacl"

define void @pr170051(i32 %cond) {
; CHECK-LABEL: pr170051(
; CHECK:       {
; CHECK-NEXT:    .reg .pred %p<2>;
; CHECK-NEXT:    .reg .b32 %r<4>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0: // %entry
; CHECK-NEXT:    mov.b32 %r2, 0;
; CHECK-NEXT:    ld.param.b32 %r1, [pr170051_param_0];
; CHECK-NEXT:    setp.gt.u32 %p1, %r1, 6;
; CHECK-NEXT:    bra.uni $L__BB0_3;
; CHECK-NEXT:  $L__BB0_1: // %BS_LABEL_2
; CHECK-NEXT:    // in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT:    or.b32 %r3, %r2, 1;
; CHECK-NEXT:  $L__BB0_2: // %for.cond4
; CHECK-NEXT:    // in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT:    mov.b32 %r2, %r3;
; CHECK-NEXT:  $L__BB0_3: // %BS_LABEL_1
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    @%p1 bra $L__BB0_5;
; CHECK-NEXT:  // %bb.4: // %BS_LABEL_1
; CHECK-NEXT:    // in Loop: Header=BB0_3 Depth=1
; CHECK-NEXT:    mov.b32 %r3, %r1;
; CHECK-NEXT:    $L_brx_0: .branchtargets
; CHECK-NEXT:     $L__BB0_2,
; CHECK-NEXT:     $L__BB0_3,
; CHECK-NEXT:     $L__BB0_5,
; CHECK-NEXT:     $L__BB0_5,
; CHECK-NEXT:     $L__BB0_1,
; CHECK-NEXT:     $L__BB0_5,
; CHECK-NEXT:     $L__BB0_3;
; CHECK-NEXT:    brx.idx %r1, $L_brx_0;
; CHECK-NEXT:  $L__BB0_5: // %unreachable
; CHECK-NEXT:    // begin inline asm
; CHECK-NEXT:    exit;
; CHECK-NEXT:    // end inline asm
entry:
  br label %for.cond

for.cond:                                         ; preds = %for.cond4.for.cond_crit_edge, %BS_LABEL_1, %BS_LABEL_1, %entry
  %p_2218_0.1 = phi i32 [ 0, %entry ], [ %p_2218_0.3, %BS_LABEL_1 ], [ %p_2218_0.3, %BS_LABEL_1 ], [ poison, %for.cond4.for.cond_crit_edge ]
  br label %BS_LABEL_1

BS_LABEL_2:                                       ; preds = %BS_LABEL_1
  %sub = or i32 %p_2218_0.3, 1
  br label %for.cond4

for.cond4:                                        ; preds = %BS_LABEL_1, %BS_LABEL_2
  %p_2218_0.2 = phi i32 [ 0, %BS_LABEL_1 ], [ %sub, %BS_LABEL_2 ]
  br i1 false, label %for.cond4.for.cond_crit_edge, label %BS_LABEL_1

for.cond4.for.cond_crit_edge:                     ; preds = %for.cond4
  br label %for.cond

BS_LABEL_1:                                       ; preds = %for.cond4, %for.cond
  %p_2218_0.3 = phi i32 [ %p_2218_0.2, %for.cond4 ], [ %p_2218_0.1, %for.cond ]
  switch i32 %cond, label %unreachable [
    i32 0, label %for.cond4
    i32 4, label %BS_LABEL_2
    i32 1, label %for.cond
    i32 6, label %for.cond
  ]

unreachable:                                      ; preds = %BS_LABEL_1
  unreachable
}