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3a9a1ac61b
For some reason there are both of these available, except for scalar 64-bit compares which only has u64. I'm not sure why there are both (I'm guessing it's for the one bit inputs we don't use), but for consistency always using the unsigned one. llvm-svn: 282832
72 lines
2.3 KiB
LLVM
72 lines
2.3 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; FUNC-LABEL: {{^}}round_f64:
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; SI: s_endpgm
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define void @round_f64(double addrspace(1)* %out, double %x) #0 {
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%result = call double @llvm.round.f64(double %x) #1
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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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; This is a pretty large function, so just test a few of the
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; instructions that are necessary.
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; FUNC-LABEL: {{^}}v_round_f64:
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; SI: buffer_load_dwordx2
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; SI-DAG: v_bfe_u32 [[EXP:v[0-9]+]], v{{[0-9]+}}, 20, 11
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; SI-DAG: v_not_b32_e32
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; SI-DAG: v_not_b32_e32
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; SI-DAG: v_cmp_eq_u32
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; SI-DAG: s_mov_b32 [[BFIMASK:s[0-9]+]], 0x7fffffff
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; SI-DAG: v_cmp_gt_i32
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; SI-DAG: v_bfi_b32 [[COPYSIGN:v[0-9]+]], [[BFIMASK]]
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; SI: buffer_store_dwordx2
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; SI: s_endpgm
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define void @v_round_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
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%tid = call i32 @llvm.amdgcn.workitem.id.x() #1
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%gep = getelementptr double, double addrspace(1)* %in, i32 %tid
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%out.gep = getelementptr double, double addrspace(1)* %out, i32 %tid
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%x = load double, double addrspace(1)* %gep
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%result = call double @llvm.round.f64(double %x) #1
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store double %result, double addrspace(1)* %out.gep
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ret void
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}
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; FUNC-LABEL: {{^}}round_v2f64:
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; SI: s_endpgm
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define void @round_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %in) #0 {
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%result = call <2 x double> @llvm.round.v2f64(<2 x double> %in) #1
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store <2 x double> %result, <2 x double> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}round_v4f64:
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; SI: s_endpgm
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define void @round_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %in) #0 {
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%result = call <4 x double> @llvm.round.v4f64(<4 x double> %in) #1
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store <4 x double> %result, <4 x double> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}round_v8f64:
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; SI: s_endpgm
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define void @round_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %in) #0 {
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%result = call <8 x double> @llvm.round.v8f64(<8 x double> %in) #1
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store <8 x double> %result, <8 x double> addrspace(1)* %out
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x() #1
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declare double @llvm.round.f64(double) #1
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declare <2 x double> @llvm.round.v2f64(<2 x double>) #1
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declare <4 x double> @llvm.round.v4f64(<4 x double>) #1
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declare <8 x double> @llvm.round.v8f64(<8 x double>) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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