d34f7ead88
This would see if there are mixed integer and FP types and pick an equivalently sized FP type to use as the vector element type, and only cast if there were mixed integers. We need to insert a cast if the types are mixed, which may include different FP types. Fixes #121601
20 lines
921 B
LLVM
20 lines
921 B
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-amd-amdhsa -mcpu=gfx942 < %s | FileCheck %s
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define <4 x float> @issue121601(bfloat %fptrunc) {
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; CHECK-LABEL: issue121601:
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; CHECK: ; %bb.0: ; %bb
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; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; CHECK-NEXT: v_lshlrev_b32_e32 v0, 16, v0
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; CHECK-NEXT: v_mov_b32_e32 v1, v0
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; CHECK-NEXT: v_mov_b32_e32 v2, 0
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; CHECK-NEXT: v_mov_b32_e32 v3, 0
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; CHECK-NEXT: s_setpc_b64 s[30:31]
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bb:
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%bitcast = bitcast bfloat %fptrunc to <1 x bfloat>
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%shufflevector = shufflevector <1 x bfloat> %bitcast, <1 x bfloat> zeroinitializer, <2 x i32> zeroinitializer
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%fpext = fpext <2 x bfloat> %shufflevector to <2 x float>
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%shufflevector1 = shufflevector <2 x float> %fpext, <2 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x float> %shufflevector1
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}
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