76 lines
2.1 KiB
LLVM
76 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=amdgcn-- -mcpu=tahiti < %s | FileCheck %s
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; This testcase produces a situation with unused value numbers in subregister
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; liveranges that get distributed by ConnectedVNInfoEqClasses.
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define amdgpu_kernel void @hoge(i1 %c0, i1 %c1, i1 %c2, i1 %c3, i1 %c4) {
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; CHECK-LABEL: hoge:
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; CHECK: ; %bb.0: ; %bb
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; CHECK-NEXT: s_load_dword s2, s[4:5], 0x9
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; CHECK-NEXT: v_cmp_eq_u32_e32 vcc, 0, v0
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: s_bitcmp1_b32 s2, 0
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; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
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; CHECK-NEXT: s_and_b64 s[4:5], s[0:1], vcc
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; CHECK-NEXT: s_and_saveexec_b64 s[0:1], s[4:5]
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; CHECK-NEXT: s_or_b64 exec, exec, s[0:1]
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; CHECK-NEXT: s_bitcmp1_b32 s2, 24
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; CHECK-NEXT: s_cselect_b64 s[0:1], -1, 0
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; CHECK-NEXT: s_xor_b64 s[0:1], s[0:1], -1
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; CHECK-NEXT: v_cndmask_b32_e64 v0, 0, 1, s[0:1]
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; CHECK-NEXT: v_cmp_ne_u32_e64 s[0:1], 1, v0
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; CHECK-NEXT: .LBB0_1: ; %bb25
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; CHECK-NEXT: ; =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: s_and_b64 vcc, exec, s[0:1]
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; CHECK-NEXT: s_cbranch_vccnz .LBB0_1
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; CHECK-NEXT: ; %bb.2: ; %bb30
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; CHECK-NEXT: s_endpgm
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bb:
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%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
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br i1 %c0, label %bb2, label %bb23
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bb2:
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br i1 %c1, label %bb6, label %bb8
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bb6:
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%tmp7 = or i64 poison, poison
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br label %bb8
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bb8:
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%tmp9 = phi i64 [ %tmp7, %bb6 ], [ poison, %bb2 ]
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%tmp10 = icmp eq i32 %tmp, 0
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br i1 %tmp10, label %bb11, label %bb23
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bb11:
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br i1 %c2, label %bb20, label %bb17
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bb17:
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br label %bb20
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bb20:
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%tmp21 = phi i64 [ poison, %bb17 ], [ %tmp9, %bb11 ]
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%tmp22 = trunc i64 %tmp21 to i32
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br label %bb23
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bb23:
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%tmp24 = phi i32 [ %tmp22, %bb20 ], [ poison, %bb8 ], [ poison, %bb ]
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br label %bb25
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bb25:
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%tmp26 = phi i32 [ %tmp24, %bb23 ], [ poison, %bb25 ]
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br i1 %c3, label %bb25, label %bb30
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bb30:
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br i1 %c4, label %bb32, label %bb34
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bb32:
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%tmp33 = zext i32 %tmp26 to i64
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br label %bb34
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bb34:
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x()
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