1 ; RUN: llc -mtriple=x86_64-pc-linux -mcpu=corei7 < %s | FileCheck -check-prefix=CORE_LP64 %s 2 ; RUN: llc -mtriple=x86_64-pc-linux -mcpu=atom < %s | FileCheck -check-prefix=ATOM_LP64 %s 3 ; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -mcpu=corei7 < %s | FileCheck -check-prefix=CORE_ILP32 %s 4 ; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -mcpu=atom < %s | FileCheck -check-prefix=ATOM_ILP32 %s 5 6 define i32 @bar(i32 %a) nounwind { 7 entry: 8 %arr = alloca [400 x i32], align 16 9 10 ; There is a 2x2 variation matrix here: 11 ; Atoms use LEA to update the SP. Opcode bitness depends on data model. 12 ; Cores use sub/add to update the SP. Opcode bitness depends on data model. 13 14 ; CORE_LP64: subq $1608 15 ; CORE_ILP32: subl $1608 16 ; ATOM_LP64: leaq -1608 17 ; ATOM_ILP32: leal -1608 18 19 %arraydecay = getelementptr inbounds [400 x i32], [400 x i32]* %arr, i64 0, i64 0 20 %call = call i32 @foo(i32 %a, i32* %arraydecay) nounwind 21 ret i32 %call 22 23 ; CORE_LP64: addq $1608 24 ; CORE_ILP32: addl $1608 25 ; ATOM_LP64: leaq 1608 26 ; ATOM_ILP32: leal 1608 27 28 } 29 30 declare i32 @foo(i32, i32*) 31 32