| ; RUN: llc < %s -mtriple=ve | FileCheck %s |
| |
| ;;; Test ‘llvm.copysign.*’ Intrinsic |
| ;;; |
| ;;; Syntax: |
| ;;; This is an overloaded intrinsic. You can use llvm.copysign on any |
| ;;; floating-point or vector of floating-point type. Not all targets |
| ;;; support all types however. |
| ;;; |
| ;;; declare float @llvm.copysign.f32(float %Mag, float %Sgn) |
| ;;; declare double @llvm.copysign.f64(double %Mag, double %Sgn) |
| ;;; declare x86_fp80 @llvm.copysign.f80(x86_fp80 %Mag, x86_fp80 %Sgn) |
| ;;; declare fp128 @llvm.copysign.f128(fp128 %Mag, fp128 %Sgn) |
| ;;; declare ppc_fp128 @llvm.copysign.ppcf128(ppc_fp128 %Mag, ppc_fp128 %Sgn) |
| ;;; |
| ;;; Overview: |
| ;;; The ‘llvm.copysign.*’ intrinsics return a value with the magnitude of |
| ;;; the first operand and the sign of the second operand. |
| ;;; |
| ;;; Arguments: |
| ;;; The arguments and return value are floating-point numbers of the same |
| ;;; type. |
| ;;; |
| ;;; Semantics: |
| ;;; This function returns the same values as the libm copysign functions |
| ;;; would, and handles error conditions in the same way. |
| ;;; |
| ;;; Note: |
| ;;; We test only float/double/fp128. |
| |
| ; Function Attrs: nounwind readnone |
| define float @copysign_float_var(float %0, float %1) { |
| ; CHECK-LABEL: copysign_float_var: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sra.l %s1, %s1, 32 |
| ; CHECK-NEXT: lea %s2, -2147483648 |
| ; CHECK-NEXT: and %s2, %s2, (32)0 |
| ; CHECK-NEXT: and %s1, %s1, %s2 |
| ; CHECK-NEXT: sra.l %s0, %s0, 32 |
| ; CHECK-NEXT: and %s0, %s0, (33)0 |
| ; CHECK-NEXT: or %s0, %s0, %s1 |
| ; CHECK-NEXT: sll %s0, %s0, 32 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %3 = tail call fast float @llvm.copysign.f32(float %0, float %1) |
| ret float %3 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare float @llvm.copysign.f32(float, float) |
| |
| ; Function Attrs: nounwind readnone |
| define double @copysign_double_var(double %0, double %1) { |
| ; CHECK-LABEL: copysign_double_var: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: and %s1, %s1, (1)1 |
| ; CHECK-NEXT: and %s0, %s0, (1)0 |
| ; CHECK-NEXT: or %s0, %s0, %s1 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %3 = tail call fast double @llvm.copysign.f64(double %0, double %1) |
| ret double %3 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare double @llvm.copysign.f64(double, double) |
| |
| ; Function Attrs: nounwind readnone |
| define fp128 @copysign_quad_var(fp128 %0, fp128 %1) { |
| ; CHECK-LABEL: copysign_quad_var: |
| ; CHECK: .LBB{{[0-9]+}}_2: |
| ; CHECK-NEXT: st %s3, 16(, %s11) |
| ; CHECK-NEXT: st %s2, 24(, %s11) |
| ; CHECK-NEXT: st %s1, (, %s11) |
| ; CHECK-NEXT: st %s0, 8(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s0, 31(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s1, 15(, %s11) |
| ; CHECK-NEXT: lea %s2, 128 |
| ; CHECK-NEXT: and %s0, %s0, %s2 |
| ; CHECK-NEXT: and %s1, %s1, (57)0 |
| ; CHECK-NEXT: or %s0, %s1, %s0 |
| ; CHECK-NEXT: st1b %s0, 15(, %s11) |
| ; CHECK-NEXT: ld %s1, (, %s11) |
| ; CHECK-NEXT: ld %s0, 8(, %s11) |
| ; CHECK-NEXT: adds.l %s11, 32, %s11 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %3 = tail call fast fp128 @llvm.copysign.f128(fp128 %0, fp128 %1) |
| ret fp128 %3 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare fp128 @llvm.copysign.f128(fp128, fp128) |
| |
| ; Function Attrs: nounwind readnone |
| define float @copysign_float_zero(float %0) { |
| ; CHECK-LABEL: copysign_float_zero: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sra.l %s0, %s0, 32 |
| ; CHECK-NEXT: lea %s1, -2147483648 |
| ; CHECK-NEXT: and %s1, %s1, (32)0 |
| ; CHECK-NEXT: and %s0, %s0, %s1 |
| ; CHECK-NEXT: sll %s0, %s0, 32 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast float @llvm.copysign.f32(float 0.000000e+00, float %0) |
| ret float %2 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| define double @copysign_double_zero(double %0) { |
| ; CHECK-LABEL: copysign_double_zero: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: and %s0, %s0, (1)1 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast double @llvm.copysign.f64(double 0.000000e+00, double %0) |
| ret double %2 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| define fp128 @copysign_quad_zero(fp128 %0) { |
| ; CHECK-LABEL: copysign_quad_zero: |
| ; CHECK: .LBB{{[0-9]+}}_2: |
| ; CHECK-NEXT: lea %s2, .LCPI{{[0-9]+}}_0@lo |
| ; CHECK-NEXT: and %s2, %s2, (32)0 |
| ; CHECK-NEXT: lea.sl %s2, .LCPI{{[0-9]+}}_0@hi(, %s2) |
| ; CHECK-NEXT: ld %s4, 8(, %s2) |
| ; CHECK-NEXT: ld %s5, (, %s2) |
| ; CHECK-NEXT: st %s1, 16(, %s11) |
| ; CHECK-NEXT: st %s0, 24(, %s11) |
| ; CHECK-NEXT: st %s5, (, %s11) |
| ; CHECK-NEXT: st %s4, 8(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s0, 31(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s1, 15(, %s11) |
| ; CHECK-NEXT: lea %s2, 128 |
| ; CHECK-NEXT: and %s0, %s0, %s2 |
| ; CHECK-NEXT: and %s1, %s1, (57)0 |
| ; CHECK-NEXT: or %s0, %s1, %s0 |
| ; CHECK-NEXT: st1b %s0, 15(, %s11) |
| ; CHECK-NEXT: ld %s1, (, %s11) |
| ; CHECK-NEXT: ld %s0, 8(, %s11) |
| ; CHECK-NEXT: adds.l %s11, 32, %s11 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast fp128 @llvm.copysign.f128(fp128 0xL00000000000000000000000000000000, fp128 %0) |
| ret fp128 %2 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| define float @copysign_float_const(float %0) { |
| ; CHECK-LABEL: copysign_float_const: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sra.l %s0, %s0, 32 |
| ; CHECK-NEXT: lea %s1, -2147483648 |
| ; CHECK-NEXT: and %s1, %s1, (32)0 |
| ; CHECK-NEXT: and %s0, %s0, %s1 |
| ; CHECK-NEXT: lea %s1, 1073741824 |
| ; CHECK-NEXT: or %s0, %s0, %s1 |
| ; CHECK-NEXT: sll %s0, %s0, 32 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast float @llvm.copysign.f32(float -2.000000e+00, float %0) |
| ret float %2 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| define double @copysign_double_const(double %0) { |
| ; CHECK-LABEL: copysign_double_const: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: and %s0, %s0, (1)1 |
| ; CHECK-NEXT: lea.sl %s1, 1073741824 |
| ; CHECK-NEXT: or %s0, %s0, %s1 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast double @llvm.copysign.f64(double -2.000000e+00, double %0) |
| ret double %2 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| define fp128 @copysign_quad_const(fp128 %0) { |
| ; CHECK-LABEL: copysign_quad_const: |
| ; CHECK: .LBB{{[0-9]+}}_2: |
| ; CHECK-NEXT: lea %s2, .LCPI{{[0-9]+}}_0@lo |
| ; CHECK-NEXT: and %s2, %s2, (32)0 |
| ; CHECK-NEXT: lea.sl %s2, .LCPI{{[0-9]+}}_0@hi(, %s2) |
| ; CHECK-NEXT: ld %s4, 8(, %s2) |
| ; CHECK-NEXT: ld %s5, (, %s2) |
| ; CHECK-NEXT: st %s1, 16(, %s11) |
| ; CHECK-NEXT: st %s0, 24(, %s11) |
| ; CHECK-NEXT: st %s5, (, %s11) |
| ; CHECK-NEXT: st %s4, 8(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s0, 31(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s1, 15(, %s11) |
| ; CHECK-NEXT: lea %s2, 128 |
| ; CHECK-NEXT: and %s0, %s0, %s2 |
| ; CHECK-NEXT: and %s1, %s1, (57)0 |
| ; CHECK-NEXT: or %s0, %s1, %s0 |
| ; CHECK-NEXT: st1b %s0, 15(, %s11) |
| ; CHECK-NEXT: ld %s1, (, %s11) |
| ; CHECK-NEXT: ld %s0, 8(, %s11) |
| ; CHECK-NEXT: adds.l %s11, 32, %s11 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast fp128 @llvm.copysign.f128(fp128 0xL0000000000000000C000000000000000, fp128 %0) |
| ret fp128 %2 |
| } |