| ; Test rounding functions for z196 and above. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 \ |
| ; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-SCALAR %s |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 \ |
| ; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-VECTOR %s |
| |
| ; Test rint for f32. |
| declare float @llvm.rint.f32(float %f) |
| define float @f1(float %f) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: fiebr %f0, 0, %f0 |
| ; CHECK: br %r14 |
| %res = call float @llvm.rint.f32(float %f) |
| ret float %res |
| } |
| |
| ; Test rint for f64. |
| declare double @llvm.rint.f64(double %f) |
| define double @f2(double %f) { |
| ; CHECK-LABEL: f2: |
| ; CHECK-SCALAR: fidbr %f0, 0, %f0 |
| ; CHECK-VECTOR: fidbra %f0, 0, %f0, 0 |
| ; CHECK: br %r14 |
| %res = call double @llvm.rint.f64(double %f) |
| ret double %res |
| } |
| |
| ; Test rint for f128. |
| declare fp128 @llvm.rint.f128(fp128 %f) |
| define void @f3(ptr %ptr) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: fixbr %f0, 0, %f0 |
| ; CHECK: br %r14 |
| %src = load fp128, ptr %ptr |
| %res = call fp128 @llvm.rint.f128(fp128 %src) |
| store fp128 %res, ptr %ptr |
| ret void |
| } |
| |
| ; Test nearbyint for f32. |
| declare float @llvm.nearbyint.f32(float %f) |
| define float @f4(float %f) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: fiebra %f0, 0, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call float @llvm.nearbyint.f32(float %f) |
| ret float %res |
| } |
| |
| ; Test nearbyint for f64. |
| declare double @llvm.nearbyint.f64(double %f) |
| define double @f5(double %f) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: fidbra %f0, 0, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call double @llvm.nearbyint.f64(double %f) |
| ret double %res |
| } |
| |
| ; Test nearbyint for f128. |
| declare fp128 @llvm.nearbyint.f128(fp128 %f) |
| define void @f6(ptr %ptr) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: fixbra %f0, 0, %f0, 4 |
| ; CHECK: br %r14 |
| %src = load fp128, ptr %ptr |
| %res = call fp128 @llvm.nearbyint.f128(fp128 %src) |
| store fp128 %res, ptr %ptr |
| ret void |
| } |
| |
| ; Test floor for f32. |
| declare float @llvm.floor.f32(float %f) |
| define float @f7(float %f) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: fiebra %f0, 7, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call float @llvm.floor.f32(float %f) |
| ret float %res |
| } |
| |
| ; Test floor for f64. |
| declare double @llvm.floor.f64(double %f) |
| define double @f8(double %f) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: fidbra %f0, 7, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call double @llvm.floor.f64(double %f) |
| ret double %res |
| } |
| |
| ; Test floor for f128. |
| declare fp128 @llvm.floor.f128(fp128 %f) |
| define void @f9(ptr %ptr) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: fixbra %f0, 7, %f0, 4 |
| ; CHECK: br %r14 |
| %src = load fp128, ptr %ptr |
| %res = call fp128 @llvm.floor.f128(fp128 %src) |
| store fp128 %res, ptr %ptr |
| ret void |
| } |
| |
| ; Test ceil for f32. |
| declare float @llvm.ceil.f32(float %f) |
| define float @f10(float %f) { |
| ; CHECK-LABEL: f10: |
| ; CHECK: fiebra %f0, 6, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call float @llvm.ceil.f32(float %f) |
| ret float %res |
| } |
| |
| ; Test ceil for f64. |
| declare double @llvm.ceil.f64(double %f) |
| define double @f11(double %f) { |
| ; CHECK-LABEL: f11: |
| ; CHECK: fidbra %f0, 6, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call double @llvm.ceil.f64(double %f) |
| ret double %res |
| } |
| |
| ; Test ceil for f128. |
| declare fp128 @llvm.ceil.f128(fp128 %f) |
| define void @f12(ptr %ptr) { |
| ; CHECK-LABEL: f12: |
| ; CHECK: fixbra %f0, 6, %f0, 4 |
| ; CHECK: br %r14 |
| %src = load fp128, ptr %ptr |
| %res = call fp128 @llvm.ceil.f128(fp128 %src) |
| store fp128 %res, ptr %ptr |
| ret void |
| } |
| |
| ; Test trunc for f32. |
| declare float @llvm.trunc.f32(float %f) |
| define float @f13(float %f) { |
| ; CHECK-LABEL: f13: |
| ; CHECK: fiebra %f0, 5, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call float @llvm.trunc.f32(float %f) |
| ret float %res |
| } |
| |
| ; Test trunc for f64. |
| declare double @llvm.trunc.f64(double %f) |
| define double @f14(double %f) { |
| ; CHECK-LABEL: f14: |
| ; CHECK: fidbra %f0, 5, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call double @llvm.trunc.f64(double %f) |
| ret double %res |
| } |
| |
| ; Test trunc for f128. |
| declare fp128 @llvm.trunc.f128(fp128 %f) |
| define void @f15(ptr %ptr) { |
| ; CHECK-LABEL: f15: |
| ; CHECK: fixbra %f0, 5, %f0, 4 |
| ; CHECK: br %r14 |
| %src = load fp128, ptr %ptr |
| %res = call fp128 @llvm.trunc.f128(fp128 %src) |
| store fp128 %res, ptr %ptr |
| ret void |
| } |
| |
| ; Test round for f32. |
| declare float @llvm.round.f32(float %f) |
| define float @f16(float %f) { |
| ; CHECK-LABEL: f16: |
| ; CHECK: fiebra %f0, 1, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call float @llvm.round.f32(float %f) |
| ret float %res |
| } |
| |
| ; Test round for f64. |
| declare double @llvm.round.f64(double %f) |
| define double @f17(double %f) { |
| ; CHECK-LABEL: f17: |
| ; CHECK: fidbra %f0, 1, %f0, 4 |
| ; CHECK: br %r14 |
| %res = call double @llvm.round.f64(double %f) |
| ret double %res |
| } |
| |
| ; Test round for f128. |
| declare fp128 @llvm.round.f128(fp128 %f) |
| define void @f18(ptr %ptr) { |
| ; CHECK-LABEL: f18: |
| ; CHECK: fixbra %f0, 1, %f0, 4 |
| ; CHECK: br %r14 |
| %src = load fp128, ptr %ptr |
| %res = call fp128 @llvm.round.f128(fp128 %src) |
| store fp128 %res, ptr %ptr |
| ret void |
| } |