llvm/test/CodeGen/X86/ldexp-strict.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefixes=X64 %s
; XUN: llc -mtriple=i386-pc-win32 < %s | FileCheck -check-prefix=WIN32 %s
; FIXME: Expansion support without libcalls

; FIXME: Implement f16->f32 promotion for strictfp
; define half @test_strict_ldexp_f16_i32(ptr addrspace(1) %out, half %a, i32 %b) #2 {
;   %result = call half @llvm.experimental.constrained.ldexp.f16.i32(half %a, i32 %b, metadata !"round.dynamic", metadata !"fpexcept.strict")
;   ret half %result
; }

define float @test_strict_ldexp_f32_i32(ptr addrspace(1) %out, float %a, i32 %b) #2 {
; X64-LABEL: test_strict_ldexp_f32_i32:
; X64:       # %bb.0:
; X64-NEXT:    pushq %rax
; X64-NEXT:    .cfi_def_cfa_offset 16
; X64-NEXT:    movl %esi, %edi
; X64-NEXT:    callq ldexpf@PLT
; X64-NEXT:    popq %rax
; X64-NEXT:    .cfi_def_cfa_offset 8
; X64-NEXT:    retq
  %result = call float @llvm.experimental.constrained.ldexp.f32.i32(float %a, i32 %b, metadata !"round.dynamic", metadata !"fpexcept.strict")
  ret float %result
}

define double @test_strict_ldexp_f64_i32(ptr addrspace(1) %out, double %a, i32 %b) #2 {
; X64-LABEL: test_strict_ldexp_f64_i32:
; X64:       # %bb.0:
; X64-NEXT:    pushq %rax
; X64-NEXT:    .cfi_def_cfa_offset 16
; X64-NEXT:    movl %esi, %edi
; X64-NEXT:    callq ldexp@PLT
; X64-NEXT:    popq %rax
; X64-NEXT:    .cfi_def_cfa_offset 8
; X64-NEXT:    retq
  %result = call double @llvm.experimental.constrained.ldexp.f64.i32(double %a, i32 %b, metadata !"round.dynamic", metadata !"fpexcept.strict")
  ret double %result
}


define <2 x float> @test_strict_ldexp_v2f32_v2i32(ptr addrspace(1) %out, <2 x float> %a, <2 x i32> %b) #2 {
; X64-LABEL: test_strict_ldexp_v2f32_v2i32:
; X64:       # %bb.0:
; X64-NEXT:    subq $56, %rsp
; X64-NEXT:    .cfi_def_cfa_offset 64
; X64-NEXT:    movdqa %xmm1, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; X64-NEXT:    movaps %xmm0, (%rsp) # 16-byte Spill
; X64-NEXT:    movd %xmm1, %edi
; X64-NEXT:    callq ldexpf@PLT
; X64-NEXT:    movaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; X64-NEXT:    movaps (%rsp), %xmm0 # 16-byte Reload
; X64-NEXT:    shufps {{.*#+}} xmm0 = xmm0[1,1,1,1]
; X64-NEXT:    pshufd $85, {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Folded Reload
; X64-NEXT:    # xmm1 = mem[1,1,1,1]
; X64-NEXT:    movd %xmm1, %edi
; X64-NEXT:    callq ldexpf@PLT
; X64-NEXT:    movaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
; X64-NEXT:    unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; X64-NEXT:    movaps %xmm1, %xmm0
; X64-NEXT:    addq $56, %rsp
; X64-NEXT:    .cfi_def_cfa_offset 8
; X64-NEXT:    retq
  %result = call <2 x float> @llvm.experimental.constrained.ldexp.v2f32.v2i32(<2 x float> %a, <2 x i32> %b, metadata !"round.dynamic", metadata !"fpexcept.strict")
  ret <2 x float> %result
}

declare half @llvm.experimental.constrained.ldexp.f16.i32(half, i32, metadata, metadata) #1
declare float @llvm.experimental.constrained.ldexp.f32.i32(float, i32, metadata, metadata) #1
declare double @llvm.experimental.constrained.ldexp.f64.i32(double, i32, metadata, metadata) #1
declare x86_fp80 @llvm.experimental.constrained.ldexp.f80.i32(x86_fp80, i32, metadata, metadata) #1
declare <2 x float> @llvm.experimental.constrained.ldexp.v2f32.v2i32(<2 x float>, <2 x i32>, metadata, metadata) #1

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) }
attributes #2 = { strictfp }