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Unoptimized LLVM bitcode of the swap example
; ModuleID = 'swap.bc'
source_filename = "swap.cpp"
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"
; Function Attrs: ssp uwtable
define i32 @_Z4testv() #0 {
entry:
%a = alloca i32, align 4
%b = alloca i32, align 4
%call = call i32 @_Z3getv()
store i32 %call, i32* %a, align 4
%call1 = call i32 @_Z3getv()
store i32 %call1, i32* %b, align 4
call void @_Z9temp_swapIiEvRT_S1_(i32* dereferenceable(4) %a, i32* dereferenceable(4) %b)
call void @_Z8xor_swapIiEvRT_S1_(i32* dereferenceable(4) %a, i32* dereferenceable(4) %b)
call void @_Z9temp_swapIiEvRT_S1_(i32* dereferenceable(4) %a, i32* dereferenceable(4) %b)
%0 = load i32, i32* %a, align 4
%1 = load i32, i32* %b, align 4
%call2 = call i32 @_Z7processii(i32 %0, i32 %1)
ret i32 %call2
}
declare i32 @_Z3getv() #1
; Function Attrs: nounwind ssp uwtable
define linkonce_odr void @_Z9temp_swapIiEvRT_S1_(i32* dereferenceable(4) %a, i32* dereferenceable(4) %b) #2 {
entry:
%a.addr = alloca i32*, align 8
%b.addr = alloca i32*, align 8
%temp = alloca i32, align 4
store i32* %a, i32** %a.addr, align 8
store i32* %b, i32** %b.addr, align 8
%0 = load i32*, i32** %a.addr, align 8
%1 = load i32, i32* %0, align 4
store i32 %1, i32* %temp, align 4
%2 = load i32*, i32** %b.addr, align 8
%3 = load i32, i32* %2, align 4
%4 = load i32*, i32** %a.addr, align 8
store i32 %3, i32* %4, align 4
%5 = load i32, i32* %temp, align 4
%6 = load i32*, i32** %b.addr, align 8
store i32 %5, i32* %6, align 4
ret void
}
; Function Attrs: nounwind ssp uwtable
define linkonce_odr void @_Z8xor_swapIiEvRT_S1_(i32* dereferenceable(4) %a, i32* dereferenceable(4) %b) #2 {
entry:
%a.addr = alloca i32*, align 8
%b.addr = alloca i32*, align 8
store i32* %a, i32** %a.addr, align 8
store i32* %b, i32** %b.addr, align 8
%0 = load i32*, i32** %b.addr, align 8
%1 = load i32, i32* %0, align 4
%2 = load i32*, i32** %a.addr, align 8
%3 = load i32, i32* %2, align 4
%xor = xor i32 %3, %1
store i32 %xor, i32* %2, align 4
%4 = load i32*, i32** %a.addr, align 8
%5 = load i32, i32* %4, align 4
%6 = load i32*, i32** %b.addr, align 8
%7 = load i32, i32* %6, align 4
%xor1 = xor i32 %7, %5
store i32 %xor1, i32* %6, align 4
%8 = load i32*, i32** %b.addr, align 8
%9 = load i32, i32* %8, align 4
%10 = load i32*, i32** %a.addr, align 8
%11 = load i32, i32* %10, align 4
%xor2 = xor i32 %11, %9
store i32 %xor2, i32* %10, align 4
ret void
}
declare i32 @_Z7processii(i32, i32) #1
attributes #0 = { ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 4.0.0 (https://github.com/llvm-mirror/clang.git 5c8cc80b1e276595f78a1a86dd6be1ea4bd8bd63) (https://github.com/llvm-mirror/llvm.git 74e176a8845bb74057ff633a40e291f82acd7236)"}
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