1; RUN: llc -mtriple=mipsel -mcpu=mips32 < %s | FileCheck %s -check-prefix=CHECK-MIPS32 2; RUN: llc -mtriple=mips64el -mcpu=mips64 -relocation-model=pic < %s | \ 3; RUN: FileCheck %s -check-prefix=CHECK-MIPS64 4; RUN: llc -mtriple=mipsel -mcpu=mips64 -target-abi n32 < %s | \ 5; RUN: FileCheck %s -check-prefix=CHECK-MIPSN32 6 7; Test that the expansion of ADJCALLSTACKDOWN and ADJCALLSTACKUP generate 8; (d)subu and (d)addu rather than just (d)addu. The (d)subu sequences are 9; generally shorter as the constant that has to be materialized is smaller. 10 11define i32 @main() { 12entry: 13 %z = alloca [1048576 x i8], align 1 14 %call = call i32 @foo(ptr %z) 15 ret i32 0 16; CHECK-LABEL: main 17 18; CHECK-MIPS32: lui $[[R0:[0-9]+]], 16 19; CHECK-MIPS32: addiu $[[R0]], $[[R0]], 24 20; CHECK-MIPS32: subu $sp, $sp, $[[R0]] 21 22; CHECK-MIPS32: lui $[[R1:[0-9]+]], 16 23; CHECK-MIPS32: addiu $[[R1]], $[[R1]], 24 24; CHECK-MIPS32: addu $sp, $sp, $[[R1]] 25 26; CHECK-MIPS64: lui $[[R0:[0-9]+]], 1 27; CHECK-MIPS64: daddiu $[[R0]], $[[R0]], 32 28; CHECK-MIPS64: dsubu $sp, $sp, $[[R0]] 29 30; FIXME: 31; These are here to match other lui's used in address computations. We need to 32; investigate why address computations are not CSE'd. Or implement it. 33 34; CHECK-MIPS64: lui 35; CHECK-MIPS64: lui 36; CHECK-MIPS64: lui 37; CHECK-MIPS64: lui 38 39; CHECK-MIPS64: lui $[[R1:[0-9]+]], 16 40; CHECK-MIPS64: daddiu $[[R1]], $[[R1]], 32 41; CHECK-MIPS64: daddu $sp, $sp, $[[R1]] 42 43; CHECK-MIPSN32: lui $[[R0:[0-9]+]], 16 44; CHECK-MIPSN32: addiu $[[R0]], $[[R0]], 16 45; CHECK-MIPSN32: subu $sp, $sp, $[[R0]] 46 47; CHECK-MIPSN32: lui $[[R1:[0-9]+]], 16 48; CHECK-MIPSN32: addiu $[[R1]], $[[R1]], 16 49; CHECK-MIPSN32: addu $sp, $sp, $[[R1]] 50 51} 52 53declare i32 @foo(ptr) 54