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19 lines
564 B
19 lines
564 B
4 months ago
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; RUN: llc -O0 < %s -march=avr | FileCheck %s
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define i32 @std_ldd_overflow() {
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%src = alloca [4 x i8]
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%dst = alloca [4 x i8]
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%buf = alloca [28 x i16]
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%1 = bitcast [4 x i8]* %src to i32*
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store i32 0, i32 *%1
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%2 = bitcast [4 x i8]* %dst to i8*
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%3 = bitcast [4 x i8]* %src to i8*
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call void @llvm.memcpy.p0i8.p0i8.i16(i8* %2, i8* %3, i16 4, i1 false)
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; CHECK-NOT: std {{[XYZ]}}+64, {{r[0-9]+}}
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; CHECK-NOT: ldd {{r[0-9]+}}, {{[XYZ]}}+64
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ret i32 0
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}
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declare void @llvm.memcpy.p0i8.p0i8.i16(i8* nocapture writeonly, i8* nocapture readonly, i16, i1)
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