69 lines
1.6 KiB
LLVM
69 lines
1.6 KiB
LLVM
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; RUN: llc -march=msp430 < %s | FileCheck %s
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target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
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target triple = "msp430-generic-generic"
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define void @rra8m(i8* %i) {
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entry:
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; CHECK-LABEL: rra8m:
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; CHECK: rra.b 2(r12)
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%0 = getelementptr inbounds i8, i8* %i, i16 2
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%1 = load i8, i8* %0, align 1
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%shr = ashr i8 %1, 1
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store i8 %shr, i8* %0, align 1
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ret void
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}
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define void @rra16m(i16* %i) {
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entry:
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; CHECK-LABEL: rra16m:
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; CHECK: rra 4(r12)
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%0 = getelementptr inbounds i16, i16* %i, i16 2
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%1 = load i16, i16* %0, align 2
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%shr = ashr i16 %1, 1
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store i16 %shr, i16* %0, align 2
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ret void
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}
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; TODO: `clrc; rrc.b 2(r12)` is expected
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define void @rrc8m(i8* %g) {
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entry:
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; CHECK-LABEL: rrc8m:
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; CHECK: mov.b 2(r12), r13
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; CHECK: clrc
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; CHECK: rrc.b r13
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; CHECK: mov.b r13, 2(r12)
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%add.ptr = getelementptr inbounds i8, i8* %g, i16 2
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%0 = load i8, i8* %add.ptr, align 1
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%1 = lshr i8 %0, 1
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store i8 %1, i8* %add.ptr, align 1
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ret void
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}
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; TODO: `clrc; rrc 4(r12)` is expected
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define void @rrc16m(i16* %g) {
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entry:
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; CHECK-LABEL: rrc16m:
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; CHECK: mov 4(r12), r13
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; CHECK: clrc
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; CHECK: rrc r13
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; CHECK: mov r13, 4(r12)
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%add.ptr = getelementptr inbounds i16, i16* %g, i16 2
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%0 = load i16, i16* %add.ptr, align 2
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%shr = lshr i16 %0, 1
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store i16 %shr, i16* %add.ptr, align 2
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ret void
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}
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define void @sxt16m(i16* %x) {
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entry:
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; CHECK-LABEL: sxt16m:
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; CHECK: sxt 4(r12)
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%add.ptr = getelementptr inbounds i16, i16* %x, i16 2
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%0 = bitcast i16* %add.ptr to i8*
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%1 = load i8, i8* %0, align 1
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%conv = sext i8 %1 to i16
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store i16 %conv, i16* %add.ptr, align 2
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ret void
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}
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