| ; RUN: llc < %s -mtriple=ve | FileCheck %s |
| |
| ;;; Test ‘llvm.fabs.*’ Intrinsic |
| ;;; |
| ;;; Syntax: |
| ;;; This is an overloaded intrinsic. You can use llvm.fabs on any |
| ;;; floating-point or vector of floating-point type. Not all targets |
| ;;; support all types however. |
| ;;; |
| ;;; declare float @llvm.fabs.f32(float %Val) |
| ;;; declare double @llvm.fabs.f64(double %Val) |
| ;;; declare x86_fp80 @llvm.fabs.f80(x86_fp80 %Val) |
| ;;; declare fp128 @llvm.fabs.f128(fp128 %Val) |
| ;;; declare ppc_fp128 @llvm.fabs.ppcf128(ppc_fp128 %Val) |
| ;;; |
| ;;; Overview: |
| ;;; The ‘llvm.fabs.*’ intrinsics return the absolute value of the operand. |
| ;;; |
| ;;; Arguments: |
| ;;; The argument and return value are floating-point numbers of the same |
| ;;; type. |
| ;;; |
| ;;; Semantics: |
| ;;; This function returns the same values as the libm fabs functions would, |
| ;;; and handles error conditions in the same way. |
| ;;; |
| ;;; Note: |
| ;;; We test only float/double/fp128. |
| |
| ; Function Attrs: nounwind readnone |
| define float @fabs_float_var(float %0) { |
| ; CHECK-LABEL: fabs_float_var: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: sra.l %s0, %s0, 32 |
| ; CHECK-NEXT: and %s0, %s0, (33)0 |
| ; CHECK-NEXT: sll %s0, %s0, 32 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast float @llvm.fabs.f32(float %0) |
| ret float %2 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare float @llvm.fabs.f32(float) |
| |
| ; Function Attrs: nounwind readnone |
| define double @fabs_double_var(double %0) { |
| ; CHECK-LABEL: fabs_double_var: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: and %s0, %s0, (1)0 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast double @llvm.fabs.f64(double %0) |
| ret double %2 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare double @llvm.fabs.f64(double) |
| |
| ; Function Attrs: nounwind readnone |
| define fp128 @fabs_quad_var(fp128 %0) { |
| ; CHECK-LABEL: fabs_quad_var: |
| ; CHECK: .LBB{{[0-9]+}}_2: |
| ; CHECK-NEXT: st %s1, (, %s11) |
| ; CHECK-NEXT: st %s0, 8(, %s11) |
| ; CHECK-NEXT: ld1b.zx %s0, 15(, %s11) |
| ; CHECK-NEXT: and %s0, %s0, (57)0 |
| ; CHECK-NEXT: st1b %s0, 15(, %s11) |
| ; CHECK-NEXT: ld %s1, (, %s11) |
| ; CHECK-NEXT: ld %s0, 8(, %s11) |
| ; CHECK-NEXT: adds.l %s11, 16, %s11 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %2 = tail call fast fp128 @llvm.fabs.f128(fp128 %0) |
| ret fp128 %2 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare fp128 @llvm.fabs.f128(fp128) |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define float @fabs_float_zero() { |
| ; CHECK-LABEL: fabs_float_zero: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lea.sl %s0, 0 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| ret float 0.000000e+00 |
| } |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define double @fabs_double_zero() { |
| ; CHECK-LABEL: fabs_double_zero: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lea.sl %s0, 0 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| ret double 0.000000e+00 |
| } |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define fp128 @fabs_quad_zero() { |
| ; CHECK-LABEL: fabs_quad_zero: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lea %s0, .LCPI{{[0-9]+}}_0@lo |
| ; CHECK-NEXT: and %s0, %s0, (32)0 |
| ; CHECK-NEXT: lea.sl %s2, .LCPI{{[0-9]+}}_0@hi(, %s0) |
| ; CHECK-NEXT: ld %s0, 8(, %s2) |
| ; CHECK-NEXT: ld %s1, (, %s2) |
| ; CHECK-NEXT: b.l.t (, %s10) |
| ret fp128 0xL00000000000000000000000000000000 |
| } |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define float @fabs_float_const() { |
| ; CHECK-LABEL: fabs_float_const: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lea.sl %s0, 1073741824 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| ret float 2.000000e+00 |
| } |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define double @fabs_double_const() { |
| ; CHECK-LABEL: fabs_double_const: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lea.sl %s0, 1073741824 |
| ; CHECK-NEXT: b.l.t (, %s10) |
| ret double 2.000000e+00 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| define fp128 @fabs_quad_const() { |
| ; CHECK-LABEL: fabs_quad_const: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: lea %s0, .LCPI{{[0-9]+}}_0@lo |
| ; CHECK-NEXT: and %s0, %s0, (32)0 |
| ; CHECK-NEXT: lea.sl %s2, .LCPI{{[0-9]+}}_0@hi(, %s0) |
| ; CHECK-NEXT: ld %s0, 8(, %s2) |
| ; CHECK-NEXT: ld %s1, (, %s2) |
| ; CHECK-NEXT: b.l.t (, %s10) |
| %1 = tail call fast fp128 @llvm.fabs.f128(fp128 0xL0000000000000000C000000000000000) |
| ret fp128 %1 |
| } |