llvm-6502/test/CodeGen/R600/usubo.ll
Tom Stellard 334ebf33ea R600/SI: Make SIInstrInfo::isOperandLegal() more strict
A register operand that has a common sub-class with its instruction's
defined register class is not always legal.  For example,
SReg_32 and M0Reg both have a common sub-class, but we can't
use an SReg_32 in instructions that expect a M0Reg.

This prevents the llvm.SI.sendmsg.ll test from failing when the fold
operand pass is added.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222368 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-19 16:58:49 +00:00

67 lines
2.7 KiB
LLVM

; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s
declare { i32, i1 } @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
declare { i64, i1 } @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
; FUNC-LABEL: {{^}}usubo_i64_zext:
define void @usubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
%usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
%val = extractvalue { i64, i1 } %usub, 0
%carry = extractvalue { i64, i1 } %usub, 1
%ext = zext i1 %carry to i64
%add2 = add i64 %val, %ext
store i64 %add2, i64 addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: {{^}}s_usubo_i32:
; SI: s_sub_i32
define void @s_usubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
%usub = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b) nounwind
%val = extractvalue { i32, i1 } %usub, 0
%carry = extractvalue { i32, i1 } %usub, 1
store i32 %val, i32 addrspace(1)* %out, align 4
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
; FUNC-LABEL: {{^}}v_usubo_i32:
; SI: v_sub_i32_e32
define void @v_usubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%a = load i32 addrspace(1)* %aptr, align 4
%b = load i32 addrspace(1)* %bptr, align 4
%usub = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %a, i32 %b) nounwind
%val = extractvalue { i32, i1 } %usub, 0
%carry = extractvalue { i32, i1 } %usub, 1
store i32 %val, i32 addrspace(1)* %out, align 4
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
; FUNC-LABEL: {{^}}s_usubo_i64:
; SI: s_sub_u32
; SI: s_subb_u32
define void @s_usubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
%usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
%val = extractvalue { i64, i1 } %usub, 0
%carry = extractvalue { i64, i1 } %usub, 1
store i64 %val, i64 addrspace(1)* %out, align 8
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}
; FUNC-LABEL: {{^}}v_usubo_i64:
; SI: v_sub_i32
; SI: v_subb_u32
define void @v_usubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
%a = load i64 addrspace(1)* %aptr, align 4
%b = load i64 addrspace(1)* %bptr, align 4
%usub = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b) nounwind
%val = extractvalue { i64, i1 } %usub, 0
%carry = extractvalue { i64, i1 } %usub, 1
store i64 %val, i64 addrspace(1)* %out, align 8
store i1 %carry, i1 addrspace(1)* %carryout
ret void
}