71 lines
1.8 KiB
LLVM
71 lines
1.8 KiB
LLVM
; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
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; Check that we generate load instruction with (base + register offset << 0)
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; load word
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define i32 @load_w(i32* nocapture %a, i32 %n) nounwind {
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; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memw(r{{[0-9]+}}+r{{[0-9]+}}<<#0)
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entry:
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%tmp = shl i32 %n, 4
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%scevgep9 = getelementptr i32* %a, i32 %tmp
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%val = load i32* %scevgep9, align 4
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ret i32 %val
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}
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; load unsigned half word
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define i16 @load_uh(i16* nocapture %a, i32 %n) nounwind {
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; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memuh(r{{[0-9]+}}+r{{[0-9]+}}<<#0)
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entry:
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%tmp = shl i32 %n, 4
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%scevgep9 = getelementptr i16* %a, i32 %tmp
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%val = load i16* %scevgep9, align 2
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ret i16 %val
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}
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; load signed half word
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define i32 @load_h(i16* nocapture %a, i32 %n) nounwind {
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; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memh(r{{[0-9]+}}+r{{[0-9]+}}<<#0)
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entry:
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%tmp = shl i32 %n, 4
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%scevgep9 = getelementptr i16* %a, i32 %tmp
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%val = load i16* %scevgep9, align 2
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%conv = sext i16 %val to i32
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ret i32 %conv
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}
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; load unsigned byte
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define i8 @load_ub(i8* nocapture %a, i32 %n) nounwind {
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; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memub(r{{[0-9]+}}+r{{[0-9]+}}<<#0)
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entry:
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%tmp = shl i32 %n, 4
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%scevgep9 = getelementptr i8* %a, i32 %tmp
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%val = load i8* %scevgep9, align 1
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ret i8 %val
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}
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; load signed byte
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define i32 @foo_2(i8* nocapture %a, i32 %n) nounwind {
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; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memb(r{{[0-9]+}}+r{{[0-9]+}}<<#0)
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entry:
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%tmp = shl i32 %n, 4
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%scevgep9 = getelementptr i8* %a, i32 %tmp
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%val = load i8* %scevgep9, align 1
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%conv = sext i8 %val to i32
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ret i32 %conv
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}
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; load doubleword
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define i64 @load_d(i64* nocapture %a, i32 %n) nounwind {
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; CHECK: r{{[0-9]+}}:{{[0-9]+}}{{ *}}={{ *}}memd(r{{[0-9]+}}+r{{[0-9]+}}<<#0)
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entry:
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%tmp = shl i32 %n, 4
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%scevgep9 = getelementptr i64* %a, i32 %tmp
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%val = load i64* %scevgep9, align 8
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ret i64 %val
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}
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