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51b37329c1
Summary: This includes a hazard recognizer implementation to replace some of the hazard handling we had during frame index elimination. Reviewers: arsenm Subscribers: qcolombet, arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D18602 llvm-svn: 268143
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_i32
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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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