| ; Test strict multiplication of two f32s, producing an f64 result. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| |
| declare float @foo() |
| declare double @llvm.experimental.constrained.fmul.f64(double, double, metadata, metadata) |
| declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata) |
| declare float @llvm.experimental.constrained.fptrunc.f32.f64(double, metadata, metadata) |
| declare double @llvm.experimental.constrained.fpext.f64.f32(float, metadata) |
| |
| ; Check register multiplication. |
| define double @f1(float %f1, float %f2) #0 { |
| ; CHECK-LABEL: f1: |
| ; CHECK: mdebr %f0, %f2 |
| ; CHECK: br %r14 |
| %f1x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f1, |
| metadata !"fpexcept.strict") #0 |
| %f2x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f2, |
| metadata !"fpexcept.strict") #0 |
| %res = call double @llvm.experimental.constrained.fmul.f64( |
| double %f1x, double %f2x, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %res |
| } |
| |
| ; Check the low end of the MDEB range. |
| define double @f2(float %f1, float *%ptr) #0 { |
| ; CHECK-LABEL: f2: |
| ; CHECK: mdeb %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %f2 = load float, float *%ptr |
| %f1x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f1, |
| metadata !"fpexcept.strict") #0 |
| %f2x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f2, |
| metadata !"fpexcept.strict") #0 |
| %res = call double @llvm.experimental.constrained.fmul.f64( |
| double %f1x, double %f2x, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %res |
| } |
| |
| ; Check the high end of the aligned MDEB range. |
| define double @f3(float %f1, float *%base) #0 { |
| ; CHECK-LABEL: f3: |
| ; CHECK: mdeb %f0, 4092(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, float *%base, i64 1023 |
| %f2 = load float, float *%ptr |
| %f1x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f1, |
| metadata !"fpexcept.strict") #0 |
| %f2x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f2, |
| metadata !"fpexcept.strict") #0 |
| %res = call double @llvm.experimental.constrained.fmul.f64( |
| double %f1x, double %f2x, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %res |
| } |
| |
| ; Check the next word up, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define double @f4(float %f1, float *%base) #0 { |
| ; CHECK-LABEL: f4: |
| ; CHECK: aghi %r2, 4096 |
| ; CHECK: mdeb %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, float *%base, i64 1024 |
| %f2 = load float, float *%ptr |
| %f1x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f1, |
| metadata !"fpexcept.strict") #0 |
| %f2x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f2, |
| metadata !"fpexcept.strict") #0 |
| %res = call double @llvm.experimental.constrained.fmul.f64( |
| double %f1x, double %f2x, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %res |
| } |
| |
| ; Check negative displacements, which also need separate address logic. |
| define double @f5(float %f1, float *%base) #0 { |
| ; CHECK-LABEL: f5: |
| ; CHECK: aghi %r2, -4 |
| ; CHECK: mdeb %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, float *%base, i64 -1 |
| %f2 = load float, float *%ptr |
| %f1x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f1, |
| metadata !"fpexcept.strict") #0 |
| %f2x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f2, |
| metadata !"fpexcept.strict") #0 |
| %res = call double @llvm.experimental.constrained.fmul.f64( |
| double %f1x, double %f2x, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %res |
| } |
| |
| ; Check that MDEB allows indices. |
| define double @f6(float %f1, float *%base, i64 %index) #0 { |
| ; CHECK-LABEL: f6: |
| ; CHECK: sllg %r1, %r3, 2 |
| ; CHECK: mdeb %f0, 400(%r1,%r2) |
| ; CHECK: br %r14 |
| %ptr1 = getelementptr float, float *%base, i64 %index |
| %ptr2 = getelementptr float, float *%ptr1, i64 100 |
| %f2 = load float, float *%ptr2 |
| %f1x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f1, |
| metadata !"fpexcept.strict") #0 |
| %f2x = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %f2, |
| metadata !"fpexcept.strict") #0 |
| %res = call double @llvm.experimental.constrained.fmul.f64( |
| double %f1x, double %f2x, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %res |
| } |
| |
| ; Check that multiplications of spilled values can use MDEB rather than MDEBR. |
| define float @f7(float *%ptr0) #0 { |
| ; CHECK-LABEL: f7: |
| ; CHECK: brasl %r14, foo@PLT |
| ; CHECK: mdeb %f0, 16{{[04]}}(%r15) |
| ; CHECK: br %r14 |
| %ptr1 = getelementptr float, float *%ptr0, i64 2 |
| %ptr2 = getelementptr float, float *%ptr0, i64 4 |
| %ptr3 = getelementptr float, float *%ptr0, i64 6 |
| %ptr4 = getelementptr float, float *%ptr0, i64 8 |
| %ptr5 = getelementptr float, float *%ptr0, i64 10 |
| %ptr6 = getelementptr float, float *%ptr0, i64 12 |
| %ptr7 = getelementptr float, float *%ptr0, i64 14 |
| %ptr8 = getelementptr float, float *%ptr0, i64 16 |
| %ptr9 = getelementptr float, float *%ptr0, i64 18 |
| %ptr10 = getelementptr float, float *%ptr0, i64 20 |
| |
| %val0 = load float, float *%ptr0 |
| %val1 = load float, float *%ptr1 |
| %val2 = load float, float *%ptr2 |
| %val3 = load float, float *%ptr3 |
| %val4 = load float, float *%ptr4 |
| %val5 = load float, float *%ptr5 |
| %val6 = load float, float *%ptr6 |
| %val7 = load float, float *%ptr7 |
| %val8 = load float, float *%ptr8 |
| %val9 = load float, float *%ptr9 |
| %val10 = load float, float *%ptr10 |
| |
| %frob0 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val0, float %val0, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob1 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val1, float %val1, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob2 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val2, float %val2, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob3 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val3, float %val3, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob4 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val4, float %val4, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob5 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val5, float %val5, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob6 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val6, float %val6, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob7 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val7, float %val7, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob8 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val8, float %val8, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob9 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val9, float %val9, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %frob10 = call float @llvm.experimental.constrained.fadd.f32( |
| float %val10, float %val10, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| store float %frob0, float *%ptr0 |
| store float %frob1, float *%ptr1 |
| store float %frob2, float *%ptr2 |
| store float %frob3, float *%ptr3 |
| store float %frob4, float *%ptr4 |
| store float %frob5, float *%ptr5 |
| store float %frob6, float *%ptr6 |
| store float %frob7, float *%ptr7 |
| store float %frob8, float *%ptr8 |
| store float %frob9, float *%ptr9 |
| store float %frob10, float *%ptr10 |
| |
| %ret = call float @foo() #0 |
| |
| %accext0 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %ret, |
| metadata !"fpexcept.strict") #0 |
| %ext0 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob0, |
| metadata !"fpexcept.strict") #0 |
| %mul0 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext0, double %ext0, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra0 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul0, double 1.01, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc0 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra0, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext1 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc0, |
| metadata !"fpexcept.strict") #0 |
| %ext1 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob1, |
| metadata !"fpexcept.strict") #0 |
| %mul1 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext1, double %ext1, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra1 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul1, double 1.11, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc1 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra1, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext2 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc1, |
| metadata !"fpexcept.strict") #0 |
| %ext2 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob2, |
| metadata !"fpexcept.strict") #0 |
| %mul2 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext2, double %ext2, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra2 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul2, double 1.21, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc2 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra2, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext3 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc2, |
| metadata !"fpexcept.strict") #0 |
| %ext3 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob3, |
| metadata !"fpexcept.strict") #0 |
| %mul3 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext3, double %ext3, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra3 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul3, double 1.31, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc3 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra3, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext4 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc3, |
| metadata !"fpexcept.strict") #0 |
| %ext4 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob4, |
| metadata !"fpexcept.strict") #0 |
| %mul4 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext4, double %ext4, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra4 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul4, double 1.41, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc4 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra4, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext5 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc4, |
| metadata !"fpexcept.strict") #0 |
| %ext5 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob5, |
| metadata !"fpexcept.strict") #0 |
| %mul5 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext5, double %ext5, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra5 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul5, double 1.51, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc5 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra5, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext6 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc5, |
| metadata !"fpexcept.strict") #0 |
| %ext6 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob6, |
| metadata !"fpexcept.strict") #0 |
| %mul6 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext6, double %ext6, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra6 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul6, double 1.61, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc6 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra6, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext7 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc6, |
| metadata !"fpexcept.strict") #0 |
| %ext7 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob7, |
| metadata !"fpexcept.strict") #0 |
| %mul7 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext7, double %ext7, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra7 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul7, double 1.71, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc7 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra7, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext8 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc7, |
| metadata !"fpexcept.strict") #0 |
| %ext8 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob8, |
| metadata !"fpexcept.strict") #0 |
| %mul8 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext8, double %ext8, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra8 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul8, double 1.81, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc8 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra8, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| %accext9 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %trunc8, |
| metadata !"fpexcept.strict") #0 |
| %ext9 = call double @llvm.experimental.constrained.fpext.f64.f32( |
| float %frob9, |
| metadata !"fpexcept.strict") #0 |
| %mul9 = call double @llvm.experimental.constrained.fmul.f64( |
| double %accext9, double %ext9, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %extra9 = call double @llvm.experimental.constrained.fmul.f64( |
| double %mul9, double 1.91, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %trunc9 = call float @llvm.experimental.constrained.fptrunc.f32.f64( |
| double %extra9, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| |
| ret float %trunc9 |
| } |
| |
| attributes #0 = { strictfp } |
