llvm-project/llvm/test/CodeGen/X86/2003-08-03-CallArgLiveRange...

19 lines
602 B
LLVM

; The old instruction selector used to load all arguments to a call up in
; registers, then start pushing them all onto the stack. This is bad news as
; it makes a ton of annoying overlapping live ranges. This code should not
; cause spills!
;
; RUN: llc < %s -march=x86 -stats 2>&1 | not grep spilled
target datalayout = "e-p:32:32"
define i32 @test(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) {
ret i32 0
}
define i32 @main() {
%X = call i32 @test( i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10 ) ; <i32> [#uses=1]
ret i32 %X
}