1 # RUN: llc -o - %s -mtriple=x86_64-- -run-pass=x86-avoid-SFB | FileCheck %s
3 ; ModuleID = '../test50419-2.ll'
4 source_filename = "nice.c"
5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6 target triple = "x86_64-unknown-linux-gnu"
8 @.str = private unnamed_addr constant [3 x i8] c"%u\00", align 1
10 define i32 @test_offset() #0 {
12 %a = alloca [36 x i32], align 16
13 %z = alloca [36 x i32], align 16
14 %0 = bitcast [36 x i32]* %z to i8*
15 %scevgep = getelementptr inbounds [36 x i32], [36 x i32]* %a, i64 0, i64 1
16 %scevgep40 = bitcast i32* %scevgep to i8*
17 %arrayidx.9 = getelementptr inbounds [36 x i32], [36 x i32]* %a, i64 0, i64 9
18 %1 = load i32, i32* %arrayidx.9, align 4
19 %add.9 = add i32 %1, 9
20 store i32 %add.9, i32* %arrayidx.9, align 4
21 call void @llvm.memcpy.p0i8.p0i8.i64(i8* nonnull align 16 %0, i8* nonnull align 4 %scevgep40, i64 136, i1 false)
25 ; Function Attrs: argmemonly nounwind
26 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
28 ; Function Attrs: nounwind
29 declare void @llvm.stackprotector(i8*, i8**) #2
31 attributes #0 = { "target-cpu"="core-avx2" }
32 attributes #1 = { argmemonly nounwind "target-cpu"="core-avx2" }
33 attributes #2 = { nounwind }
39 exposesReturnsTwice: false
41 regBankSelected: false
44 tracksRegLiveness: true
46 - { id: 0, class: gr32, preferred-register: '' }
47 - { id: 1, class: gr32, preferred-register: '' }
48 - { id: 2, class: vr256, preferred-register: '' }
49 - { id: 3, class: vr256, preferred-register: '' }
50 - { id: 4, class: vr256, preferred-register: '' }
51 - { id: 5, class: gr64, preferred-register: '' }
52 - { id: 6, class: vr256, preferred-register: '' }
55 isFrameAddressTaken: false
56 isReturnAddressTaken: false
65 maxCallFrameSize: 4294967295
66 hasOpaqueSPAdjustment: false
68 hasMustTailInVarArgFunc: false
74 - { id: 0, name: a, type: default, offset: 0, size: 144, alignment: 16,
75 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
76 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
77 - { id: 1, name: z, type: default, offset: 0, size: 144, alignment: 16,
78 stack-id: default, callee-saved-register: '', callee-saved-restored: true,
79 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
83 %0:gr32 = MOV32rm %stack.0.a, 1, $noreg, 36, $noreg :: (dereferenceable load 4 from %ir.arrayidx.9)
84 %1:gr32 = ADD32ri8 %0, 9, implicit-def dead $eflags
85 MOV32mr %stack.0.a, 1, $noreg, 36, $noreg, killed %1 :: (store 4 into %ir.arrayidx.9)
86 %2:vr256 = VMOVUPSYrm %stack.0.a, 1, $noreg, 4, $noreg :: (dereferenceable load 32 from %ir.scevgep40, align 4)
87 VMOVUPSYmr %stack.1.z, 1, $noreg, 0, $noreg, killed %2 :: (store 32 into %ir.0, align 16)
88 %3:vr256 = VMOVUPSYrm %stack.0.a, 1, $noreg, 68, $noreg :: (dereferenceable load 32 from %ir.scevgep40 + 64, align 4)
89 VMOVUPSYmr %stack.1.z, 1, $noreg, 64, $noreg, killed %3 :: (store 32 into %ir.0 + 64, align 16)
90 %4:vr256 = VMOVUPSYrm %stack.0.a, 1, $noreg, 100, $noreg :: (dereferenceable load 32 from %ir.scevgep40 + 96, align 4)
91 VMOVUPSYmr %stack.1.z, 1, $noreg, 96, $noreg, killed %4 :: (store 32 into %ir.0 + 96, align 16)
92 %5:gr64 = MOV64rm %stack.0.a, 1, $noreg, 132, $noreg :: (dereferenceable load 8 from %ir.scevgep40 + 128, align 4)
93 MOV64mr %stack.1.z, 1, $noreg, 128, $noreg, killed %5 :: (store 8 into %ir.0 + 128, align 16)
94 ; CHECK: gr32 = MOV32rm %stack.0.a, 1, $noreg, 36, $noreg :: (dereferenceable load 4 from %ir.scevgep40 + 32)
95 ; CHECK-NEXT: MOV32mr %stack.1.z, 1, $noreg, 32, $noreg, killed %7 :: (store 4 into %ir.0 + 32, align 16)
96 ; CHECK-NEXT: %8:vr128 = VMOVUPSrm %stack.0.a, 1, $noreg, 40, $noreg :: (dereferenceable load 16 from %ir.scevgep40 + 36, align 4)
97 ; CHECK-NEXT: VMOVUPSmr %stack.1.z, 1, $noreg, 36, $noreg, killed %8 :: (store 16 into %ir.0 + 36)
98 ; CHECK-NEXT: %9:gr64 = MOV64rm %stack.0.a, 1, $noreg, 56, $noreg :: (dereferenceable load 8 from %ir.scevgep40 + 52, align 4)
99 ; CHECK-NEXT: MOV64mr %stack.1.z, 1, $noreg, 52, $noreg, killed %9 :: (store 8 into %ir.0 + 52, align 16)
100 ; CHECK-NEXT: %10:gr32 = MOV32rm %stack.0.a, 1, $noreg, 64, $noreg :: (dereferenceable load 4 from %ir.scevgep40 + 60)
101 ; CHECK-NEXT: MOV32mr %stack.1.z, 1, $noreg, 60, $noreg, killed %10 :: (store 4 into %ir.0 + 60, align 16)
102 %6:vr256 = VMOVUPSYrm %stack.0.a, 1, $noreg, 36, $noreg :: (dereferenceable load 32 from %ir.scevgep40 + 32, align 4)
103 VMOVUPSYmr %stack.1.z, 1, $noreg, 32, $noreg, killed %6 :: (store 32 into %ir.0 + 32, align 16)