| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -mtriple=amdgcn-amd-amdhsa -instcombine -S | FileCheck %s |
| |
| define float @ldexp_f32_undef_undef() { |
| ; CHECK-LABEL: @ldexp_f32_undef_undef( |
| ; CHECK-NEXT: ret float 0x7FF8000000000000 |
| ; |
| %call = call float @llvm.amdgcn.ldexp.f32(float undef, i32 undef) |
| ret float %call |
| } |
| |
| ; If the exponent is 0, it doesn't matter if the first argument is |
| ; constant or not. |
| define void @ldexp_f32_exp0(float %x) { |
| ; CHECK-LABEL: @ldexp_f32_exp0( |
| ; CHECK-NEXT: store volatile float [[X:%.*]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float [[X]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[ONE:%.*]] = call float @llvm.amdgcn.ldexp.f32(float [[X]], i32 1) |
| ; CHECK-NEXT: store volatile float [[ONE]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %zero = call float @llvm.amdgcn.ldexp.f32(float %x, i32 0) |
| store volatile float %zero, float addrspace(1)* undef |
| |
| %undef = call float @llvm.amdgcn.ldexp.f32(float %x, i32 undef) |
| store volatile float %undef, float addrspace(1)* undef |
| |
| %one = call float @llvm.amdgcn.ldexp.f32(float %x, i32 1) |
| store volatile float %one, float addrspace(1)* undef |
| ret void |
| } |
| |
| ; Test variable exponent but zero or undef value. |
| define void @ldexp_f32_val0(i32 %y) { |
| ; CHECK-LABEL: @ldexp_f32_val0( |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x7FF8000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %zero = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 %y) |
| store volatile float %zero, float addrspace(1)* undef |
| |
| %neg.zero = call float @llvm.amdgcn.ldexp.f32(float -0.0, i32 %y) |
| store volatile float %neg.zero, float addrspace(1)* undef |
| |
| %undef = call float @llvm.amdgcn.ldexp.f32(float undef, i32 %y) |
| store volatile float %undef, float addrspace(1)* undef |
| ret void |
| } |
| |
| define void @ldexp_f32_val_infinity(i32 %y) { |
| ; CHECK-LABEL: @ldexp_f32_val_infinity( |
| ; CHECK-NEXT: store volatile float 0x7FF0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xFFF0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x7FF0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xFFF0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %inf = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0000000000000, i32 %y) |
| store volatile float %inf, float addrspace(1)* undef |
| |
| %neg.inf = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000000000000, i32 %y) |
| store volatile float %neg.inf, float addrspace(1)* undef |
| |
| %inf.zero = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0000000000000, i32 0) |
| store volatile float %inf.zero, float addrspace(1)* undef |
| |
| %neg.inf.zero = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000000000000, i32 0) |
| store volatile float %neg.inf.zero, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| ; Signaling nan should be quieted. |
| ; Technically this depends on the ieee_mode in the mode register. |
| define void @ldexp_f32_val_nan(i32 %y) { |
| ; CHECK-LABEL: @ldexp_f32_val_nan( |
| ; CHECK-NEXT: store volatile float 0x7FF8001000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xFFF8000100000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x7FF8000020000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xFFFFFFFFE0000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %plus.qnan = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0001000000000, i32 %y) |
| store volatile float %plus.qnan, float addrspace(1)* undef |
| |
| %neg.qnan = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000100000000, i32 %y) |
| store volatile float %neg.qnan, float addrspace(1)* undef |
| |
| %plus.snan = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0000020000000, i32 %y) |
| store volatile float %plus.snan, float addrspace(1)* undef |
| |
| %neg.snan = call float @llvm.amdgcn.ldexp.f32(float 0xFFF7FFFFE0000000, i32 %y) |
| store volatile float %neg.snan, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| define void @ldexp_f32_val_nan_strictfp(i32 %y) #0 { |
| ; CHECK-LABEL: @ldexp_f32_val_nan_strictfp( |
| ; CHECK-NEXT: [[PLUS_QNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0001000000000, i32 [[Y:%.*]]) [[ATTR0:#.*]] |
| ; CHECK-NEXT: store volatile float [[PLUS_QNAN]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[NEG_QNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0xFFF0000100000000, i32 [[Y]]) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[NEG_QNAN]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[PLUS_SNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0000020000000, i32 [[Y]]) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[PLUS_SNAN]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[NEG_SNAN:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0xFFF7FFFFE0000000, i32 [[Y]]) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[NEG_SNAN]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x7FF8000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %plus.qnan = call float @llvm.amdgcn.ldexp.f32(float 0x7ff0001000000000, i32 %y) #0 |
| store volatile float %plus.qnan, float addrspace(1)* undef |
| |
| %neg.qnan = call float @llvm.amdgcn.ldexp.f32(float 0xfff0000100000000, i32 %y) #0 |
| store volatile float %neg.qnan, float addrspace(1)* undef |
| |
| %plus.snan = call float @llvm.amdgcn.ldexp.f32(float 0x7FF0000020000000, i32 %y) #0 |
| store volatile float %plus.snan, float addrspace(1)* undef |
| |
| %neg.snan = call float @llvm.amdgcn.ldexp.f32(float 0xFFF7FFFFE0000000, i32 %y) #0 |
| store volatile float %neg.snan, float addrspace(1)* undef |
| |
| %undef = call float @llvm.amdgcn.ldexp.f32(float undef, i32 %y) #0 |
| store volatile float %undef, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| define void @ldexp_f32_0() { |
| ; CHECK-LABEL: @ldexp_f32_0( |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %zero = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 0) |
| store volatile float %zero, float addrspace(1)* undef |
| |
| %neg.zero = call float @llvm.amdgcn.ldexp.f32(float -0.0, i32 0) |
| store volatile float %neg.zero, float addrspace(1)* undef |
| |
| %one = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 1) |
| store volatile float %one, float addrspace(1)* undef |
| |
| %min.exp = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 -126) |
| store volatile float %min.exp, float addrspace(1)* undef |
| |
| %min.exp.sub1 = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 -127) |
| store volatile float %min.exp.sub1, float addrspace(1)* undef |
| |
| %max.exp = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 127) |
| store volatile float %max.exp, float addrspace(1)* undef |
| |
| %max.exp.plus1 = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 128) |
| store volatile float %max.exp.plus1, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| ; Should be able to ignore strictfp in this case |
| define void @ldexp_f32_0_strictfp(float %x) #0 { |
| ; CHECK-LABEL: @ldexp_f32_0_strictfp( |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[UNKNOWN_ZERO:%.*]] = call float @llvm.amdgcn.ldexp.f32(float [[X:%.*]], i32 0) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[UNKNOWN_ZERO]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[UNKNOWN_UNDEF:%.*]] = call float @llvm.amdgcn.ldexp.f32(float [[X]], i32 undef) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[UNKNOWN_UNDEF]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[DENORMAL_0:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 0) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[DENORMAL_0]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: [[DENORMAL_1:%.*]] = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 1) [[ATTR0]] |
| ; CHECK-NEXT: store volatile float [[DENORMAL_1]], float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %zero = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 0) #0 |
| store volatile float %zero, float addrspace(1)* undef |
| |
| %neg.zero = call float @llvm.amdgcn.ldexp.f32(float -0.0, i32 0) #0 |
| store volatile float %neg.zero, float addrspace(1)* undef |
| |
| %one = call float @llvm.amdgcn.ldexp.f32(float 0.0, i32 1) #0 |
| store volatile float %one, float addrspace(1)* undef |
| |
| %unknown.zero = call float @llvm.amdgcn.ldexp.f32(float %x, i32 0) #0 |
| store volatile float %unknown.zero, float addrspace(1)* undef |
| |
| %unknown.undef = call float @llvm.amdgcn.ldexp.f32(float %x, i32 undef) #0 |
| store volatile float %unknown.undef, float addrspace(1)* undef |
| |
| %denormal.0 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 0) #0 |
| store volatile float %denormal.0, float addrspace(1)* undef |
| |
| %denormal.1 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 1) #0 |
| store volatile float %denormal.1, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| define void @ldexp_f32() { |
| ; CHECK-LABEL: @ldexp_f32( |
| ; CHECK-NEXT: store volatile float 2.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 4.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 8.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 5.000000e-01, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x3810000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x3800000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x47E0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x7FF0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -2.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -4.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -8.000000e+00, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float -5.000000e-01, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xB810000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xB800000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xC7E0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0xFFF0000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x44D5000000000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %one.one = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 1) |
| store volatile float %one.one, float addrspace(1)* undef |
| |
| %one.two = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 2) |
| store volatile float %one.two, float addrspace(1)* undef |
| |
| %one.three = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 3) |
| store volatile float %one.three, float addrspace(1)* undef |
| |
| %one.negone = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 -1) |
| store volatile float %one.negone, float addrspace(1)* undef |
| |
| %one.min.exp = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 -126) |
| store volatile float %one.min.exp, float addrspace(1)* undef |
| |
| %one.min.exp.sub1 = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 -127) |
| store volatile float %one.min.exp.sub1, float addrspace(1)* undef |
| |
| %one.max.exp = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 127) |
| store volatile float %one.max.exp, float addrspace(1)* undef |
| |
| %one.max.exp.plus1 = call float @llvm.amdgcn.ldexp.f32(float 1.0, i32 128) |
| store volatile float %one.max.exp.plus1, float addrspace(1)* undef |
| |
| %neg.one.one = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 1) |
| store volatile float %neg.one.one, float addrspace(1)* undef |
| |
| %neg.one.two = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 2) |
| store volatile float %neg.one.two, float addrspace(1)* undef |
| |
| %neg.one.three = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 3) |
| store volatile float %neg.one.three, float addrspace(1)* undef |
| |
| %neg.one.negone = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 -1) |
| store volatile float %neg.one.negone, float addrspace(1)* undef |
| |
| %neg.one.min.exp = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 -126) |
| store volatile float %neg.one.min.exp, float addrspace(1)* undef |
| |
| %neg.one.min.exp.sub1 = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 -127) |
| store volatile float %neg.one.min.exp.sub1, float addrspace(1)* undef |
| |
| %neg.one.max.exp = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 127) |
| store volatile float %neg.one.max.exp, float addrspace(1)* undef |
| |
| %neg.one.max.exp.plus1 = call float @llvm.amdgcn.ldexp.f32(float -1.0, i32 128) |
| store volatile float %neg.one.max.exp.plus1, float addrspace(1)* undef |
| |
| %fortytwo.seven = call float @llvm.amdgcn.ldexp.f32(float 42.0, i32 73) |
| store volatile float %fortytwo.seven, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| ; Technically we should probably flush these depending on the expected |
| ; denormal mode of the function, but no other IR constant folding |
| ; considers this. |
| define void @ldexp_f32_denormal() { |
| ; CHECK-LABEL: @ldexp_f32_denormal( |
| ; CHECK-NEXT: store volatile float 0x380FFFFFC0000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: store volatile float 0x381FFFFFC0000000, float addrspace(1)* undef, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %denormal.0 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 0) |
| store volatile float %denormal.0, float addrspace(1)* undef |
| |
| %denormal.1 = call float @llvm.amdgcn.ldexp.f32(float 0x380FFFFFC0000000, i32 1) |
| store volatile float %denormal.1, float addrspace(1)* undef |
| |
| ret void |
| } |
| |
| define void @ldexp_f64() { |
| ; CHECK-LABEL: @ldexp_f64( |
| ; CHECK-NEXT: store volatile double 2.000000e+00, double addrspace(1)* undef, align 8 |
| ; CHECK-NEXT: store volatile double 4.000000e+00, double addrspace(1)* undef, align 8 |
| ; CHECK-NEXT: store volatile double 0x44D5000000000000, double addrspace(1)* undef, align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| %one.one = call double @llvm.amdgcn.ldexp.f64(double 1.0, i32 1) |
| store volatile double %one.one, double addrspace(1)* undef |
| |
| %one.two = call double @llvm.amdgcn.ldexp.f64(double 1.0, i32 2) |
| store volatile double %one.two, double addrspace(1)* undef |
| |
| %fortytwo.seven = call double @llvm.amdgcn.ldexp.f64(double 42.0, i32 73) |
| store volatile double %fortytwo.seven, double addrspace(1)* undef |
| |
| ret void |
| } |
| |
| define void @ldexp_f16() { |
| ; CHECK-LABEL: @ldexp_f16( |
| ; CHECK-NEXT: store volatile half 0xH4000, half addrspace(1)* undef, align 2 |
| ; CHECK-NEXT: store volatile half 0xH4400, half addrspace(1)* undef, align 2 |
| ; CHECK-NEXT: store volatile half 0xH7C00, half addrspace(1)* undef, align 2 |
| ; CHECK-NEXT: ret void |
| ; |
| %one.one = call half @llvm.amdgcn.ldexp.f16(half 1.0, i32 1) |
| store volatile half %one.one, half addrspace(1)* undef |
| |
| %one.two = call half @llvm.amdgcn.ldexp.f16(half 1.0, i32 2) |
| store volatile half %one.two, half addrspace(1)* undef |
| |
| %fortytwo.seven = call half @llvm.amdgcn.ldexp.f16(half 42.0, i32 73) |
| store volatile half %fortytwo.seven, half addrspace(1)* undef |
| |
| ret void |
| } |
| |
| declare half @llvm.amdgcn.ldexp.f16(half, i32) #1 |
| declare float @llvm.amdgcn.ldexp.f32(float, i32) #1 |
| declare double @llvm.amdgcn.ldexp.f64(double, i32) #1 |
| |
| attributes #0 = { strictfp } |
| attributes #1 = { nounwind readnone speculatable } |