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; RUN: llc -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
; SI-LABEL: {{^}}s_clear_msb:
; SI: s_bitset0_b32 s{{[0-9]+}}, 31
define amdgpu_kernel void @s_clear_msb(ptr addrspace(1) %out, i32 %in) {
%x = and i32 %in, 2147483647
store i32 %x, ptr addrspace(1) %out
ret void
}
; SI-LABEL: {{^}}s_set_msb:
; SI: s_bitset1_b32 s{{[0-9]+}}, 31
define amdgpu_kernel void @s_set_msb(ptr addrspace(1) %out, i32 %in) {
%x = or i32 %in, 2147483648
store i32 %x, ptr addrspace(1) %out
ret void
}
; SI-LABEL: {{^}}s_clear_lsb:
; SI: s_and_b32 s{{[0-9]+}}, s{{[0-9]+}}, -2
define amdgpu_kernel void @s_clear_lsb(ptr addrspace(1) %out, i32 %in) {
%x = and i32 %in, 4294967294
store i32 %x, ptr addrspace(1) %out
ret void
}
; SI-LABEL: {{^}}s_set_lsb:
; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 1
define amdgpu_kernel void @s_set_lsb(ptr addrspace(1) %out, i32 %in) {
%x = or i32 %in, 1
store i32 %x, ptr addrspace(1) %out
ret void
}
; SI-LABEL: {{^}}s_clear_midbit:
; SI: s_bitset0_b32 s{{[0-9]+}}, 8
define amdgpu_kernel void @s_clear_midbit(ptr addrspace(1) %out, i32 %in) {
%x = and i32 %in, 4294967039
store i32 %x, ptr addrspace(1) %out
ret void
}
; SI-LABEL: {{^}}s_set_midbit:
; SI: s_bitset1_b32 s{{[0-9]+}}, 8
define amdgpu_kernel void @s_set_midbit(ptr addrspace(1) %out, i32 %in) {
%x = or i32 %in, 256
store i32 %x, ptr addrspace(1) %out
ret void
}
@gv = external addrspace(1) global i32
; Make sure there's no verifier error with an undef source.
; SI-LABEL: {{^}}bitset_verifier_error:
; SI-NOT: %bb.1:
; SI: s_and_b32 s{{[0-9]+}}, s{{[0-9]+}}, 0x7fffffff
define void @bitset_verifier_error() local_unnamed_addr #0 {
bb:
%i = call float @llvm.fabs.f32(float undef) #0
%i1 = bitcast float %i to i32
store i32 %i1, ptr addrspace(1) @gv
br label %bb2
bb2:
%i3 = call float @llvm.fabs.f32(float undef) #0
%i4 = fcmp fast ult float %i3, 0x3FEFF7CEE0000000
br i1 %i4, label %bb5, label %bb6
bb5:
unreachable
bb6:
unreachable
}
declare float @llvm.fabs.f32(float) #0
attributes #0 = { nounwind readnone speculatable willreturn }
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