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; REQUIRES: asserts
; RUN: llc < %s -mtriple=i686-unknown-linux -relocation-model=static -stats 2>&1 | \
; RUN: grep asm-printer | grep 14
;
; It's possible to schedule this in 14 instructions by avoiding
; callee-save registers, but the scheduler isn't currently that
; conervative with registers.
@size20 = external dso_local global i32 ; <ptr> [#uses=1]
@in5 = external dso_local global ptr ; <ptr> [#uses=1]
define i32 @compare(ptr %a, ptr %b) nounwind {
%tmp.upgrd.1 = load i32, ptr @size20 ; <i32> [#uses=1]
%tmp.upgrd.2 = load ptr, ptr @in5 ; <ptr> [#uses=2]
%tmp3 = load i32, ptr %b ; <i32> [#uses=1]
%gep.upgrd.3 = zext i32 %tmp3 to i64 ; <i64> [#uses=1]
%tmp4 = getelementptr i8, ptr %tmp.upgrd.2, i64 %gep.upgrd.3 ; <ptr> [#uses=2]
%tmp7 = load i32, ptr %a ; <i32> [#uses=1]
%gep.upgrd.4 = zext i32 %tmp7 to i64 ; <i64> [#uses=1]
%tmp8 = getelementptr i8, ptr %tmp.upgrd.2, i64 %gep.upgrd.4 ; <ptr> [#uses=2]
%tmp.upgrd.5 = tail call i32 @memcmp( ptr %tmp8, ptr %tmp4, i32 %tmp.upgrd.1 ) ; <i32> [#uses=1]
ret i32 %tmp.upgrd.5
}
declare i32 @memcmp(ptr, ptr, i32)
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