1 ; Disable machine cse to stress the different path of the algorithm.
2 ; Otherwise, we always fall in the simple case, i.e., only one definition.
3 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-machine-cse -aarch64-stress-promote-const -mcpu=cyclone -verify-machineinstrs | FileCheck -check-prefix=PROMOTED %s
4 ; The REGULAR run just checks that the inputs passed to promote const expose
5 ; the appropriate patterns.
6 ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-machine-cse -aarch64-enable-promote-const=false -mcpu=cyclone -verify-machineinstrs | FileCheck -check-prefix=REGULAR %s
8 %struct.uint8x16x4_t = type { [4 x <16 x i8>] }
10 ; Constant is a structure
11 define %struct.uint8x16x4_t @test1() {
12 ; PROMOTED-LABEL: test1:
13 ; Promote constant has created a big constant for the whole structure
14 ; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], __PromotedConst@PAGE
15 ; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], __PromotedConst@PAGEOFF
16 ; Destination registers are defined by the ABI
17 ; PROMOTED-NEXT: ldp q0, q1, [[[BASEADDR]]]
18 ; PROMOTED-NEXT: ldp q2, q3, [[[BASEADDR]], #32]
21 ; REGULAR-LABEL: test1:
22 ; Regular access is quite bad, it performs 4 loads, one for each chunk of
24 ; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
25 ; Destination registers are defined by the ABI
26 ; REGULAR: ldr q0, [[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
27 ; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
28 ; REGULAR: ldr q1, [[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
29 ; REGULAR: adrp [[PAGEADDR2:x[0-9]+]], [[CSTLABEL2:lCP.*]]@PAGE
30 ; REGULAR: ldr q2, [[[PAGEADDR2]], [[CSTLABEL2]]@PAGEOFF]
31 ; REGULAR: adrp [[PAGEADDR3:x[0-9]+]], [[CSTLABEL3:lCP.*]]@PAGE
32 ; REGULAR: ldr q3, [[[PAGEADDR3]], [[CSTLABEL3]]@PAGEOFF]
35 ret %struct.uint8x16x4_t { [4 x <16 x i8>] [<16 x i8> <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>, <16 x i8> <i8 32, i8 124, i8 121, i8 120, i8 8, i8 117, i8 -56, i8 113, i8 -76, i8 110, i8 -53, i8 107, i8 7, i8 105, i8 103, i8 102>, <16 x i8> <i8 -24, i8 99, i8 -121, i8 97, i8 66, i8 95, i8 24, i8 93, i8 6, i8 91, i8 12, i8 89, i8 39, i8 87, i8 86, i8 85>, <16 x i8> <i8 -104, i8 83, i8 -20, i8 81, i8 81, i8 80, i8 -59, i8 78, i8 73, i8 77, i8 -37, i8 75, i8 122, i8 74, i8 37, i8 73>] }
38 ; Two different uses of the same constant in the same basic block
39 define <16 x i8> @test2(<16 x i8> %arg) {
41 ; PROMOTED-LABEL: test2:
42 ; In stress mode, constant vector are promoted
43 ; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], [[CSTV1:__PromotedConst.[0-9]+]]@PAGE
44 ; PROMOTED: ldr q[[REGNUM:[0-9]+]], [[[PAGEADDR]], [[CSTV1]]@PAGEOFF]
45 ; Destination register is defined by ABI
46 ; PROMOTED-NEXT: add.16b v0, v0, v[[REGNUM]]
47 ; PROMOTED-NEXT: mls.16b v0, v0, v[[REGNUM]]
50 ; REGULAR-LABEL: test2:
51 ; Regular access is strickly the same as promoted access.
52 ; The difference is that the address (and thus the space in memory) is not
53 ; shared between constants
54 ; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
55 ; REGULAR: ldr q[[REGNUM:[0-9]+]], [[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
56 ; Destination register is defined by ABI
57 ; REGULAR-NEXT: add.16b v0, v0, v[[REGNUM]]
58 ; REGULAR-NEXT: mls.16b v0, v0, v[[REGNUM]]
60 %add.i = add <16 x i8> %arg, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
61 %mul.i = mul <16 x i8> %add.i, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
62 %sub.i9 = sub <16 x i8> %add.i, %mul.i
66 ; Two different uses of the same constant in two different basic blocks,
67 ; one dominates the other
68 define <16 x i8> @test3(<16 x i8> %arg, i32 %path) {
69 ; PROMOTED-LABEL: test3:
70 ; In stress mode, constant vector are promoted
71 ; Since, the constant is the same as the previous function,
72 ; the same address must be used
78 ; REGULAR-LABEL: test3:
84 %add.i = add <16 x i8> %arg, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
85 %tobool = icmp eq i32 %path, 0
86 br i1 %tobool, label %if.else, label %if.then
88 if.then: ; preds = %entry
89 %mul.i13 = mul <16 x i8> %add.i, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
92 if.else: ; preds = %entry
93 %mul.i = mul <16 x i8> %add.i, <i8 -24, i8 99, i8 -121, i8 97, i8 66, i8 95, i8 24, i8 93, i8 6, i8 91, i8 12, i8 89, i8 39, i8 87, i8 86, i8 85>
96 if.end: ; preds = %if.else, %if.then
97 %ret2.0 = phi <16 x i8> [ %mul.i13, %if.then ], [ %mul.i, %if.else ]
98 %add.i12 = add <16 x i8> %add.i, %ret2.0
99 ret <16 x i8> %add.i12
102 ; Two different uses of the sane constant in two different basic blocks,
103 ; none dominates the other
104 define <16 x i8> @test4(<16 x i8> %arg, i32 %path) {
105 ; PROMOTED-LABEL: test4:
106 ; In stress mode, constant vector are promoted
107 ; Since, the constant is the same as the previous function,
108 ; the same address must be used
113 ; REGULAR-LABEL: test4:
118 %add.i = add <16 x i8> %arg, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
119 %tobool = icmp eq i32 %path, 0
120 br i1 %tobool, label %if.end, label %if.then
122 if.then: ; preds = %entry
123 %mul.i = mul <16 x i8> %add.i, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
126 if.end: ; preds = %entry, %if.then
127 %ret.0 = phi <16 x i8> [ %mul.i, %if.then ], [ %add.i, %entry ]
131 ; Two different uses of the sane constant in two different basic blocks,
133 define <16 x i8> @test5(<16 x i8> %arg, i32 %path) {
134 ; PROMOTED-LABEL: test5:
135 ; In stress mode, constant vector are promoted
136 ; Since, the constant is the same as the previous function,
137 ; the same address must be used
142 ; REGULAR-LABEL: test5:
146 %tobool = icmp eq i32 %path, 0
147 br i1 %tobool, label %if.end, label %if.then
149 if.then: ; preds = %entry
150 %add.i = add <16 x i8> %arg, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
151 %mul.i26 = mul <16 x i8> %add.i, <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>
154 if.end: ; preds = %entry, %if.then
155 %ret.0 = phi <16 x i8> [ %mul.i26, %if.then ], [ <i8 -40, i8 -93, i8 -118, i8 -99, i8 -75, i8 -105, i8 74, i8 -110, i8 62, i8 -115, i8 -119, i8 -120, i8 34, i8 -124, i8 0, i8 -128>, %entry ]
156 %mul.i25 = mul <16 x i8> %ret.0, %ret.0
157 %mul.i24 = mul <16 x i8> %mul.i25, %mul.i25
158 %mul.i23 = mul <16 x i8> %mul.i24, %mul.i24
159 %mul.i = mul <16 x i8> %mul.i23, %mul.i23
163 define void @accessBig(ptr %storage) {
164 ; PROMOTED-LABEL: accessBig:
167 store <1 x i80> <i80 483673642326615442599424>, ptr %storage
171 define void @asmStatement() {
172 ; PROMOTED-LABEL: asmStatement:
175 call void asm sideeffect "bfxil w0, w0, $0, $1", "i,i"(i32 28, i32 4)