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https://github.com/c64scene-ar/llvm-6502.git
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83eab939a4
These instructions ignore the high bits of one of their input operands - try and use this to simplify the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202394 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
2.7 KiB
LLVM
94 lines
2.7 KiB
LLVM
; RUN: llc -march=xcore < %s | FileCheck %s
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declare i32 @llvm.xcore.int.p1i8(i8 addrspace(1)* %r)
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declare i32 @llvm.xcore.inct.p1i8(i8 addrspace(1)* %r)
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declare i32 @llvm.xcore.testct.p1i8(i8 addrspace(1)* %r)
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declare i32 @llvm.xcore.testwct.p1i8(i8 addrspace(1)* %r)
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declare i32 @llvm.xcore.getts.p1i8(i8 addrspace(1)* %r)
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declare void @llvm.xcore.outt.p1i8(i8 addrspace(1)* %r, i32 %value)
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declare void @llvm.xcore.outct.p1i8(i8 addrspace(1)* %r, i32 %value)
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declare void @llvm.xcore.chkct.p1i8(i8 addrspace(1)* %r, i32 %value)
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declare void @llvm.xcore.setpt.p1i8(i8 addrspace(1)* %r, i32 %value)
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define i32 @int(i8 addrspace(1)* %r) nounwind {
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; CHECK-LABEL: int:
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; CHECK: int r0, res[r0]
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; CHECK-NEXT: retsp 0
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%result = call i32 @llvm.xcore.int.p1i8(i8 addrspace(1)* %r)
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%trunc = and i32 %result, 255
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ret i32 %trunc
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}
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define i32 @inct(i8 addrspace(1)* %r) nounwind {
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; CHECK-LABEL: inct:
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; CHECK: inct r0, res[r0]
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; CHECK-NEXT: retsp 0
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%result = call i32 @llvm.xcore.inct.p1i8(i8 addrspace(1)* %r)
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%trunc = and i32 %result, 255
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ret i32 %trunc
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}
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define i32 @testct(i8 addrspace(1)* %r) nounwind {
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; CHECK-LABEL: testct:
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; CHECK: testct r0, res[r0]
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; CHECK-NEXT: retsp 0
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%result = call i32 @llvm.xcore.testct.p1i8(i8 addrspace(1)* %r)
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%trunc = and i32 %result, 1
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ret i32 %trunc
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}
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define i32 @testwct(i8 addrspace(1)* %r) nounwind {
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; CHECK-LABEL: testwct:
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; CHECK: testwct r0, res[r0]
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; CHECK-NEXT: retsp 0
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%result = call i32 @llvm.xcore.testwct.p1i8(i8 addrspace(1)* %r)
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%trunc = and i32 %result, 7
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ret i32 %trunc
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}
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define i32 @getts(i8 addrspace(1)* %r) nounwind {
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; CHECK-LABEL: getts:
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; CHECK: getts r0, res[r0]
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; CHECK-NEXT: retsp 0
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%result = call i32 @llvm.xcore.getts.p1i8(i8 addrspace(1)* %r)
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%trunc = and i32 %result, 65535
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ret i32 %result
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}
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define void @outt(i8 addrspace(1)* %r, i32 %value) nounwind {
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; CHECK-LABEL: outt:
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; CHECK-NOT: zext
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; CHECK: outt res[r0], r1
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; CHECK-NEXT: retsp 0
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%trunc = and i32 %value, 255
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call void @llvm.xcore.outt.p1i8(i8 addrspace(1)* %r, i32 %trunc)
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ret void
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}
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define void @outct(i8 addrspace(1)* %r, i32 %value) nounwind {
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; CHECK-LABEL: outct:
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; CHECK-NOT: zext
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; CHECK: outct res[r0], r1
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%trunc = and i32 %value, 255
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call void @llvm.xcore.outct.p1i8(i8 addrspace(1)* %r, i32 %trunc)
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ret void
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}
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define void @chkct(i8 addrspace(1)* %r, i32 %value) nounwind {
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; CHECK-LABEL: chkct:
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; CHECK-NOT: zext
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; CHECK: chkct res[r0], r1
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%trunc = and i32 %value, 255
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call void @llvm.xcore.chkct.p1i8(i8 addrspace(1)* %r, i32 %trunc)
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ret void
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}
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define void @setpt(i8 addrspace(1)* %r, i32 %value) nounwind {
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; CHECK-LABEL: setpt:
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; CHECK-NOT: zext
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; CHECK: setpt res[r0], r1
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%trunc = and i32 %value, 65535
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call void @llvm.xcore.setpt.p1i8(i8 addrspace(1)* %r, i32 %trunc)
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ret void
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}
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