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19 lines
740 B
19 lines
740 B
; RUN: llc -mtriple=armv7-arm-none-eabi -o - %s | FileCheck %s
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%struct.sMyType = type { i32 }
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@val = hidden constant %struct.sMyType zeroinitializer, align 4
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@v = internal global %struct.sMyType zeroinitializer, align 4
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define hidden void @InitVal() local_unnamed_addr {
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 bitcast (%struct.sMyType* @v to i8*), i8* align 4 bitcast (%struct.sMyType* @val to i8*), i32 4, i1 true)
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; The last argument is the isvolatile argument. This is a volatile memcpy.
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; Test that the memcpy expansion does not optimize away the load.
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; CHECK: ldr
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; CHECK: str
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg)
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