1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -run-pass=peephole-opt -mtriple=i386-- %s -o - | FileCheck %s
4 # Linkers may change `addq xx@GOTNTPOFF, %reg` to `leaq OFFSET(%reg), %reg`,
5 # so we must not depend upon the EFLAGS output. Verify that the TEST
6 # instruction won't be folded into the ADD.
8 # NOTE: the IR will no longer actually produce the input MIR after
9 # llvm.threadlocal.address intrinsic is annotated as having a nonnull
12 # NOTE2: the foo_nopic MIR was produced from IR with --relocation-model=static
13 # while foo_pic's MIR was produced with --relocation-model=pic.
16 target datalayout = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128"
17 target triple = "i386-unknown-linux-gnu"
19 @x = external thread_local(initialexec) global i32, align 4
21 define i32 @foo_nopic() {
22 %1 = tail call ptr @llvm.threadlocal.address.p0(ptr nonnull @x)
23 %cmp = icmp eq ptr %1, null
24 %zext = zext i1 %cmp to i32
28 define i32 @foo_pic() {
29 %1 = tail call ptr @llvm.threadlocal.address.p0(ptr nonnull @x)
30 %cmp = icmp eq ptr %1, null
31 %zext = zext i1 %cmp to i32
35 ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
36 declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0
38 attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
44 tracksRegLiveness: true
46 - { id: 0, class: gr32 }
47 - { id: 1, class: gr32 }
48 - { id: 2, class: gr8 }
49 - { id: 3, class: gr32 }
52 machineFunctionInfo: {}
55 ; CHECK-LABEL: name: foo_nopic
56 ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)
57 ; CHECK-NEXT: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], $noreg, 1, $noreg, target-flags(x86-indntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)
58 ; CHECK-NEXT: TEST32rr [[ADD32rm]], [[ADD32rm]], implicit-def $eflags
59 ; CHECK-NEXT: [[SETCCr:%[0-9]+]]:gr8 = SETCCr 4, implicit $eflags
60 ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 killed [[SETCCr]]
61 ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]]
62 ; CHECK-NEXT: RET 0, $eax
63 %0:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)
64 %1:gr32 = ADD32rm %0, $noreg, 1, $noreg, target-flags(x86-indntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)
65 TEST32rr %1, %1, implicit-def $eflags
66 %2:gr8 = SETCCr 4, implicit $eflags
67 %3:gr32 = MOVZX32rr8 killed %2
75 tracksRegLiveness: true
77 - { id: 0, class: gr32_nosp }
78 - { id: 1, class: gr32 }
79 - { id: 2, class: gr32 }
80 - { id: 3, class: gr8 }
81 - { id: 4, class: gr32 }
82 - { id: 5, class: gr32 }
85 machineFunctionInfo: {}
88 ; CHECK-LABEL: name: foo_pic
89 ; CHECK: [[MOVPC32r:%[0-9]+]]:gr32 = MOVPC32r 0, implicit $esp, implicit $ssp
90 ; CHECK-NEXT: [[ADD32ri:%[0-9]+]]:gr32_nosp = ADD32ri [[MOVPC32r]], target-flags(x86-got-absolute-address) &_GLOBAL_OFFSET_TABLE_, implicit-def $eflags
91 ; CHECK-NEXT: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)
92 ; CHECK-NEXT: [[ADD32rm:%[0-9]+]]:gr32 = ADD32rm [[MOV32rm]], [[ADD32ri]], 1, $noreg, target-flags(x86-gotntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)
93 ; CHECK-NEXT: TEST32rr [[ADD32rm]], [[ADD32rm]], implicit-def $eflags
94 ; CHECK-NEXT: [[SETCCr:%[0-9]+]]:gr8 = SETCCr 4, implicit $eflags
95 ; CHECK-NEXT: [[MOVZX32rr8_:%[0-9]+]]:gr32 = MOVZX32rr8 killed [[SETCCr]]
96 ; CHECK-NEXT: $eax = COPY [[MOVZX32rr8_]]
97 ; CHECK-NEXT: RET 0, $eax
98 %5:gr32 = MOVPC32r 0, implicit $esp, implicit $ssp
99 %0:gr32_nosp = ADD32ri %5, target-flags(x86-got-absolute-address) &_GLOBAL_OFFSET_TABLE_, implicit-def $eflags
100 %1:gr32 = MOV32rm $noreg, 1, $noreg, 0, $gs :: (load (s32) from `ptr addrspace(256) null`, addrspace 256)
101 %2:gr32 = ADD32rm %1, %0, 1, $noreg, target-flags(x86-gotntpoff) @x, $noreg, implicit-def dead $eflags :: (load (s32) from got)
102 TEST32rr %2, %2, implicit-def $eflags
103 %3:gr8 = SETCCr 4, implicit $eflags
104 %4:gr32 = MOVZX32rr8 killed %3