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- ; RUN: opt < %s -basicaa -memcpyopt -S | not grep "call.*memcpy."
- target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
- %a = type { i32 }
- %b = type { float }
- declare void @g(%a* nocapture)
- define float @f() {
- entry:
- %a_var = alloca %a
- %b_var = alloca %b, align 1
- call void @g(%a* %a_var)
- %a_i8 = bitcast %a* %a_var to i8*
- %b_i8 = bitcast %b* %b_var to i8*
- call void @llvm.memcpy.p0i8.p0i8.i32(i8* %b_i8, i8* %a_i8, i32 4, i32 1, i1 false)
- %tmp1 = getelementptr %b, %b* %b_var, i32 0, i32 0
- %tmp2 = load float, float* %tmp1
- ret float %tmp2
- }
- declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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