37 lines
1.7 KiB
LLVM
37 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=amdgcn-amd-amdhsa < %s | FileCheck %s
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; FIXME: Inefficient codegen which skips an optimization of load +
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; extractelement when the vector element type is not byte-sized.
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define i1 @extractloadi1(<8 x i1> *%ptr, i32 %idx) {
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; CHECK-LABEL: extractloadi1:
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; CHECK: ; %bb.0:
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; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; CHECK-NEXT: flat_load_ubyte v0, v[0:1]
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; CHECK-NEXT: v_and_b32_e32 v1, 7, v2
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; CHECK-NEXT: v_lshr_b32_e64 v9, s32, 6
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; CHECK-NEXT: v_or_b32_e32 v1, v9, v1
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; CHECK-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
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; CHECK-NEXT: v_bfe_u32 v2, v0, 1, 1
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; CHECK-NEXT: v_bfe_u32 v3, v0, 2, 2
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; CHECK-NEXT: v_bfe_u32 v4, v0, 3, 1
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; CHECK-NEXT: v_lshrrev_b32_e32 v5, 4, v0
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; CHECK-NEXT: v_bfe_u32 v6, v0, 5, 1
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; CHECK-NEXT: v_lshrrev_b32_e32 v7, 6, v0
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; CHECK-NEXT: v_lshrrev_b32_e32 v8, 7, v0
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; CHECK-NEXT: buffer_store_byte v0, off, s[0:3], s32
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; CHECK-NEXT: buffer_store_byte v8, off, s[0:3], s32 offset:7
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; CHECK-NEXT: buffer_store_byte v7, off, s[0:3], s32 offset:6
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; CHECK-NEXT: buffer_store_byte v6, off, s[0:3], s32 offset:5
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; CHECK-NEXT: buffer_store_byte v5, off, s[0:3], s32 offset:4
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; CHECK-NEXT: buffer_store_byte v4, off, s[0:3], s32 offset:3
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; CHECK-NEXT: buffer_store_byte v3, off, s[0:3], s32 offset:2
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; CHECK-NEXT: buffer_store_byte v2, off, s[0:3], s32 offset:1
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; CHECK-NEXT: buffer_load_ubyte v0, v1, s[0:3], 0 offen
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; CHECK-NEXT: s_waitcnt vmcnt(0)
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; CHECK-NEXT: s_setpc_b64 s[30:31]
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%val = load <8 x i1>, <8 x i1> *%ptr
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%ret = extractelement <8 x i1> %val, i32 %idx
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ret i1 %ret
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}
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