forked from OSchip/llvm-project
62 lines
2.3 KiB
LLVM
62 lines
2.3 KiB
LLVM
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; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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; SI-LABEL: {{^}}sint_to_fp_i32_to_f64
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; SI: v_cvt_f64_i32_e32
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define void @sint_to_fp_i32_to_f64(double addrspace(1)* %out, i32 %in) {
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%result = sitofp i32 %in to double
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store double %result, double addrspace(1)* %out
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ret void
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}
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; FIXME: select on 0, 0
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; SI-LABEL: {{^}}sint_to_fp_i1_f64:
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; SI: v_cmp_eq_i32_e64 [[CMP:s\[[0-9]+:[0-9]\]]],
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; We can't fold the SGPRs into v_cndmask_b32_e64, because it already
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; uses an SGPR for [[CMP]]
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; SI: v_cndmask_b32_e64 v{{[0-9]+}}, 0, v{{[0-9]+}}, [[CMP]]
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; SI: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 0, [[CMP]]
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; SI: buffer_store_dwordx2
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; SI: s_endpgm
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define void @sint_to_fp_i1_f64(double addrspace(1)* %out, i32 %in) {
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%cmp = icmp eq i32 %in, 0
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%fp = sitofp i1 %cmp to double
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store double %fp, double addrspace(1)* %out, align 4
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ret void
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}
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; SI-LABEL: {{^}}sint_to_fp_i1_f64_load:
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; SI: v_cndmask_b32_e64 [[IRESULT:v[0-9]]], 0, -1
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; SI-NEXT: v_cvt_f64_i32_e32 [[RESULT:v\[[0-9]+:[0-9]\]]], [[IRESULT]]
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; SI: buffer_store_dwordx2 [[RESULT]]
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; SI: s_endpgm
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define void @sint_to_fp_i1_f64_load(double addrspace(1)* %out, i1 %in) {
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%fp = sitofp i1 %in to double
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store double %fp, double addrspace(1)* %out, align 8
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ret void
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}
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; SI-LABEL: @s_sint_to_fp_i64_to_f64
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define void @s_sint_to_fp_i64_to_f64(double addrspace(1)* %out, i64 %in) {
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%result = sitofp i64 %in to double
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store double %result, double addrspace(1)* %out
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ret void
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}
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; SI-LABEL: @v_sint_to_fp_i64_to_f64
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; SI: buffer_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
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; SI: v_cvt_f64_i32_e32 [[HI_CONV:v\[[0-9]+:[0-9]+\]]], v[[HI]]
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; SI: v_ldexp_f64 [[LDEXP:v\[[0-9]+:[0-9]+\]]], [[HI_CONV]], 32
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; SI: v_cvt_f64_u32_e32 [[LO_CONV:v\[[0-9]+:[0-9]+\]]], v[[LO]]
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; SI: v_add_f64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[LDEXP]], [[LO_CONV]]
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; SI: buffer_store_dwordx2 [[RESULT]]
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define void @v_sint_to_fp_i64_to_f64(double addrspace(1)* %out, i64 addrspace(1)* %in) {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%val = load i64, i64 addrspace(1)* %gep, align 8
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%result = sitofp i64 %val to double
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store double %result, double addrspace(1)* %out
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ret void
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}
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