xref: /llvm-project/llvm/test/CodeGen/ARM/disable-fp-elim.ll (revision 77eb1b8f63c120f90ba529a5da2d392e165a4bc4)
1; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -fast-isel -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
2; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -frame-pointer=all -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
3; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -frame-pointer=none -O1 | FileCheck %s --check-prefix=ENABLE-FP-ELIM
4; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -frame-pointer=none -O0 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
5
6; Check that command line option "-frame-pointer=all" sets function
7; attribute "frame-pointer"="all". Also, check frame pointer
8; elimination is disabled when fast-isel is used.
9
10; ENABLE-FP-ELIM-NOT: .setfp
11; DISABLE-FP-ELIM: .setfp r11, sp
12
13define i32 @foo1(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) {
14entry:
15  %call = tail call i32 @foo2(i32 %a)
16  %add = add i32 %c, %b
17  %add1 = add i32 %add, %d
18  %add2 = add i32 %add1, %e
19  %add3 = add i32 %add2, %call
20  ret i32 %add3
21}
22
23declare i32 @foo2(i32)
24