xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/fmax_legacy.f64.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -march=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; Make sure we don't try to form FMAX_LEGACY nodes with f64

declare i32 @llvm.amdgcn.workitem.id.x() #1

; FUNC-LABEL: @test_fmax_legacy_uge_f64
define void @test_fmax_legacy_uge_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
  %gep.0 = getelementptr double, double addrspace(1)* %in, i32 %tid
  %gep.1 = getelementptr double, double addrspace(1)* %gep.0, i32 1

  %a = load double, double addrspace(1)* %gep.0, align 8
  %b = load double, double addrspace(1)* %gep.1, align 8

  %cmp = fcmp uge double %a, %b
  %val = select i1 %cmp, double %a, double %b
  store double %val, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: @test_fmax_legacy_oge_f64
define void @test_fmax_legacy_oge_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
  %gep.0 = getelementptr double, double addrspace(1)* %in, i32 %tid
  %gep.1 = getelementptr double, double addrspace(1)* %gep.0, i32 1

  %a = load double, double addrspace(1)* %gep.0, align 8
  %b = load double, double addrspace(1)* %gep.1, align 8

  %cmp = fcmp oge double %a, %b
  %val = select i1 %cmp, double %a, double %b
  store double %val, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: @test_fmax_legacy_ugt_f64
define void @test_fmax_legacy_ugt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
  %gep.0 = getelementptr double, double addrspace(1)* %in, i32 %tid
  %gep.1 = getelementptr double, double addrspace(1)* %gep.0, i32 1

  %a = load double, double addrspace(1)* %gep.0, align 8
  %b = load double, double addrspace(1)* %gep.1, align 8

  %cmp = fcmp ugt double %a, %b
  %val = select i1 %cmp, double %a, double %b
  store double %val, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: @test_fmax_legacy_ogt_f64
define void @test_fmax_legacy_ogt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
  %gep.0 = getelementptr double, double addrspace(1)* %in, i32 %tid
  %gep.1 = getelementptr double, double addrspace(1)* %gep.0, i32 1

  %a = load double, double addrspace(1)* %gep.0, align 8
  %b = load double, double addrspace(1)* %gep.1, align 8

  %cmp = fcmp ogt double %a, %b
  %val = select i1 %cmp, double %a, double %b
  store double %val, double addrspace(1)* %out, align 8
  ret void
}

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }