; 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 }