llvm-6502/test/CodeGen/Thumb2/thumb2-tst.ll
Jakob Stoklund Olesen ed18a3e6b2 Remove -join-physregs from the test suite.
This option has been disabled for a while, and it is going away so I can
clean up the coalescer code.

The tests that required physreg joining to be enabled were almost all of
the form "tiny function with interference between arguments and return
value". Such functions are usually inlined in the real world.

The problem exposed by phys_subreg_coalesce-3.ll is real, but fairly
rare.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157027 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-17 23:44:19 +00:00

50 lines
1.0 KiB
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
; These tests would be improved by 'movs r0, #0' being rematerialized below the
; tst as 'mov.w r0, #0'.
; 0x000000bb = 187
define i1 @f2(i32 %a) {
%tmp = and i32 %a, 187
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
}
; CHECK: f2:
; CHECK: tst.w {{.*}}, #187
; 0x00aa00aa = 11141290
define i1 @f3(i32 %a) {
%tmp = and i32 %a, 11141290
%tmp1 = icmp eq i32 %tmp, 0
ret i1 %tmp1
}
; CHECK: f3:
; CHECK: tst.w {{.*}}, #11141290
; 0xcc00cc00 = 3422604288
define i1 @f6(i32 %a) {
%tmp = and i32 %a, 3422604288
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
}
; CHECK: f6:
; CHECK: tst.w {{.*}}, #-872363008
; 0xdddddddd = 3722304989
define i1 @f7(i32 %a) {
%tmp = and i32 %a, 3722304989
%tmp1 = icmp eq i32 %tmp, 0
ret i1 %tmp1
}
; CHECK: f7:
; CHECK: tst.w {{.*}}, #-572662307
; 0x00110000 = 1114112
define i1 @f10(i32 %a) {
%tmp = and i32 %a, 1114112
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
}
; CHECK: f10:
; CHECK: tst.w {{.*}}, #1114112