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-rw-r--r--test/CodeGen/ARM64/promote-const.ll255
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diff --git a/test/CodeGen/ARM64/promote-const.ll b/test/CodeGen/ARM64/promote-const.ll
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--- a/test/CodeGen/ARM64/promote-const.ll
+++ /dev/null
@@ -1,255 +0,0 @@
-; Disable machine cse to stress the different path of the algorithm.
-; Otherwise, we always fall in the simple case, i.e., only one definition.
-; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-machine-cse -arm64-stress-promote-const | FileCheck -check-prefix=PROMOTED %s
-; The REGULAR run just checks that the inputs passed to promote const expose
-; the appropriate patterns.
-; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-machine-cse -arm64-promote-const=false | FileCheck -check-prefix=REGULAR %s
-
-%struct.uint8x16x4_t = type { [4 x <16 x i8>] }
-
-; Constant is a structure
-define %struct.uint8x16x4_t @test1() {
-; PROMOTED-LABEL: test1:
-; Promote constant has created a big constant for the whole structure
-; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], __PromotedConst@PAGE
-; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], __PromotedConst@PAGEOFF
-; Destination registers are defined by the ABI
-; PROMOTED-NEXT: ldp q0, q1, {{\[}}[[BASEADDR]]]
-; PROMOTED-NEXT: ldp q2, q3, {{\[}}[[BASEADDR]], #32]
-; PROMOTED-NEXT: ret
-
-; REGULAR-LABEL: test1:
-; Regular access is quite bad, it performs 4 loads, one for each chunk of
-; the structure
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
-; Destination registers are defined by the ABI
-; REGULAR: ldr q0, {{\[}}[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
-; REGULAR: ldr q1, {{\[}}[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
-; REGULAR: adrp [[PAGEADDR2:x[0-9]+]], [[CSTLABEL2:lCP.*]]@PAGE
-; REGULAR: ldr q2, {{\[}}[[PAGEADDR2]], [[CSTLABEL2]]@PAGEOFF]
-; REGULAR: adrp [[PAGEADDR3:x[0-9]+]], [[CSTLABEL3:lCP.*]]@PAGE
-; REGULAR: ldr q3, {{\[}}[[PAGEADDR3]], [[CSTLABEL3]]@PAGEOFF]
-; REGULAR-NEXT: ret
-entry:
- 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>] }
-}
-
-; Two different uses of the same constant in the same basic block
-define <16 x i8> @test2(<16 x i8> %arg) {
-entry:
-; PROMOTED-LABEL: test2:
-; In stress mode, constant vector are promoted
-; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], [[CSTV1:__PromotedConst[0-9]+]]@PAGE
-; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], [[CSTV1]]@PAGEOFF
-; PROMOTED: ldr q[[REGNUM:[0-9]+]], {{\[}}[[BASEADDR]]]
-; Destination register is defined by ABI
-; PROMOTED-NEXT: add.16b v0, v0, v[[REGNUM]]
-; PROMOTED-NEXT: mla.16b v0, v0, v[[REGNUM]]
-; PROMOTED-NEXT: ret
-
-; REGULAR-LABEL: test2:
-; Regular access is strickly the same as promoted access.
-; The difference is that the address (and thus the space in memory) is not
-; shared between constants
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
-; REGULAR: ldr q[[REGNUM:[0-9]+]], {{\[}}[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
-; Destination register is defined by ABI
-; REGULAR-NEXT: add.16b v0, v0, v[[REGNUM]]
-; REGULAR-NEXT: mla.16b v0, v0, v[[REGNUM]]
-; REGULAR-NEXT: ret
- %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>
- %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>
- %add.i9 = add <16 x i8> %add.i, %mul.i
- ret <16 x i8> %add.i9
-}
-
-; Two different uses of the sane constant in two different basic blocks,
-; one dominates the other
-define <16 x i8> @test3(<16 x i8> %arg, i32 %path) {
-; PROMOTED-LABEL: test3:
-; In stress mode, constant vector are promoted
-; Since, the constant is the same as the previous function,
-; the same address must be used
-; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], [[CSTV1]]@PAGE
-; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], [[CSTV1]]@PAGEOFF
-; PROMOTED-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[BASEADDR]]]
-; Destination register is defined by ABI
-; PROMOTED-NEXT: add.16b v0, v0, v[[REGNUM]]
-; PROMOTED-NEXT: cbnz w0, [[LABEL:LBB.*]]
-; Next BB
-; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], [[CSTV2:__PromotedConst[0-9]+]]@PAGE
-; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], [[CSTV2]]@PAGEOFF
-; PROMOTED-NEXT: ldr q[[REGNUM]], {{\[}}[[BASEADDR]]]
-; Next BB
-; PROMOTED-NEXT: [[LABEL]]:
-; PROMOTED-NEXT: mul.16b [[DESTV:v[0-9]+]], v0, v[[REGNUM]]
-; PROMOTED-NEXT: add.16b v0, v0, [[DESTV]]
-; PROMOTED-NEXT: ret
-
-; REGULAR-LABEL: test3:
-; Regular mode does not elimitate common sub expression by its own.
-; In other words, the same loads appears several times.
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL1:lCP.*]]@PAGE
-; REGULAR-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[PAGEADDR]], [[CSTLABEL1]]@PAGEOFF]
-; Destination register is defined by ABI
-; REGULAR-NEXT: add.16b v0, v0, v[[REGNUM]]
-; REGULAR-NEXT: cbz w0, [[LABELelse:LBB.*]]
-; Next BB
-; Redundant load
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL1]]@PAGE
-; REGULAR-NEXT: ldr q[[REGNUM]], {{\[}}[[PAGEADDR]], [[CSTLABEL1]]@PAGEOFF]
-; REGULAR-NEXT: b [[LABELend:LBB.*]]
-; Next BB
-; REGULAR-NEXT: [[LABELelse]]
-; REGULAR-NEXT: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL2:lCP.*]]@PAGE
-; REGULAR-NEXT: ldr q[[REGNUM]], {{\[}}[[PAGEADDR]], [[CSTLABEL2]]@PAGEOFF]
-; Next BB
-; REGULAR-NEXT: [[LABELend]]:
-; REGULAR-NEXT: mul.16b [[DESTV:v[0-9]+]], v0, v[[REGNUM]]
-; REGULAR-NEXT: add.16b v0, v0, [[DESTV]]
-; REGULAR-NEXT: ret
-entry:
- %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>
- %tobool = icmp eq i32 %path, 0
- br i1 %tobool, label %if.else, label %if.then
-
-if.then: ; preds = %entry
- %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>
- br label %if.end
-
-if.else: ; preds = %entry
- %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>
- br label %if.end
-
-if.end: ; preds = %if.else, %if.then
- %ret2.0 = phi <16 x i8> [ %mul.i13, %if.then ], [ %mul.i, %if.else ]
- %add.i12 = add <16 x i8> %add.i, %ret2.0
- ret <16 x i8> %add.i12
-}
-
-; Two different uses of the sane constant in two different basic blocks,
-; none dominates the other
-define <16 x i8> @test4(<16 x i8> %arg, i32 %path) {
-; PROMOTED-LABEL: test4:
-; In stress mode, constant vector are promoted
-; Since, the constant is the same as the previous function,
-; the same address must be used
-; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], [[CSTV1]]@PAGE
-; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], [[CSTV1]]@PAGEOFF
-; PROMOTED-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[BASEADDR]]]
-; Destination register is defined by ABI
-; PROMOTED-NEXT: add.16b v0, v0, v[[REGNUM]]
-; PROMOTED-NEXT: cbz w0, [[LABEL:LBB.*]]
-; Next BB
-; PROMOTED: mul.16b v0, v0, v[[REGNUM]]
-; Next BB
-; PROMOTED-NEXT: [[LABEL]]:
-; PROMOTED-NEXT: ret
-
-
-; REGULAR-LABEL: test4:
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL3:lCP.*]]@PAGE
-; REGULAR-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[PAGEADDR]], [[CSTLABEL3]]@PAGEOFF]
-; Destination register is defined by ABI
-; REGULAR-NEXT: add.16b v0, v0, v[[REGNUM]]
-; REGULAR-NEXT: cbz w0, [[LABEL:LBB.*]]
-; Next BB
-; Redundant expression
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL3]]@PAGE
-; REGULAR-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[PAGEADDR]], [[CSTLABEL3]]@PAGEOFF]
-; Destination register is defined by ABI
-; REGULAR-NEXT: mul.16b v0, v0, v[[REGNUM]]
-; Next BB
-; REGULAR-NEXT: [[LABEL]]:
-; REGULAR-NEXT: ret
-entry:
- %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>
- %tobool = icmp eq i32 %path, 0
- br i1 %tobool, label %if.end, label %if.then
-
-if.then: ; preds = %entry
- %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>
- br label %if.end
-
-if.end: ; preds = %entry, %if.then
- %ret.0 = phi <16 x i8> [ %mul.i, %if.then ], [ %add.i, %entry ]
- ret <16 x i8> %ret.0
-}
-
-; Two different uses of the sane constant in two different basic blocks,
-; one is in a phi.
-define <16 x i8> @test5(<16 x i8> %arg, i32 %path) {
-; PROMOTED-LABEL: test5:
-; In stress mode, constant vector are promoted
-; Since, the constant is the same as the previous function,
-; the same address must be used
-; PROMOTED: adrp [[PAGEADDR:x[0-9]+]], [[CSTV1]]@PAGE
-; PROMOTED: add [[BASEADDR:x[0-9]+]], [[PAGEADDR]], [[CSTV1]]@PAGEOFF
-; PROMOTED-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[BASEADDR]]]
-; PROMOTED-NEXT: cbz w0, [[LABEL:LBB.*]]
-; Next BB
-; PROMOTED: add.16b [[DESTV:v[0-9]+]], v0, v[[REGNUM]]
-; PROMOTED-NEXT: mul.16b v[[REGNUM]], [[DESTV]], v[[REGNUM]]
-; Next BB
-; PROMOTED-NEXT: [[LABEL]]:
-; PROMOTED-NEXT: mul.16b [[TMP1:v[0-9]+]], v[[REGNUM]], v[[REGNUM]]
-; PROMOTED-NEXT: mul.16b [[TMP2:v[0-9]+]], [[TMP1]], [[TMP1]]
-; PROMOTED-NEXT: mul.16b [[TMP3:v[0-9]+]], [[TMP2]], [[TMP2]]
-; PROMOTED-NEXT: mul.16b v0, [[TMP3]], [[TMP3]]
-; PROMOTED-NEXT: ret
-
-; REGULAR-LABEL: test5:
-; REGULAR: cbz w0, [[LABELelse:LBB.*]]
-; Next BB
-; REGULAR: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
-; REGULAR-NEXT: ldr q[[REGNUM:[0-9]+]], {{\[}}[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
-; REGULAR-NEXT: add.16b [[DESTV:v[0-9]+]], v0, v[[REGNUM]]
-; REGULAR-NEXT: mul.16b v[[DESTREGNUM:[0-9]+]], [[DESTV]], v[[REGNUM]]
-; REGULAR-NEXT: b [[LABELend:LBB.*]]
-; Next BB
-; REGULAR-NEXT: [[LABELelse]]
-; REGULAR-NEXT: adrp [[PAGEADDR:x[0-9]+]], [[CSTLABEL:lCP.*]]@PAGE
-; REGULAR-NEXT: ldr q[[DESTREGNUM]], {{\[}}[[PAGEADDR]], [[CSTLABEL]]@PAGEOFF]
-; Next BB
-; REGULAR-NEXT: [[LABELend]]:
-; REGULAR-NEXT: mul.16b [[TMP1:v[0-9]+]], v[[DESTREGNUM]], v[[DESTREGNUM]]
-; REGULAR-NEXT: mul.16b [[TMP2:v[0-9]+]], [[TMP1]], [[TMP1]]
-; REGULAR-NEXT: mul.16b [[TMP3:v[0-9]+]], [[TMP2]], [[TMP2]]
-; REGULAR-NEXT: mul.16b v0, [[TMP3]], [[TMP3]]
-; REGULAR-NEXT: ret
-entry:
- %tobool = icmp eq i32 %path, 0
- br i1 %tobool, label %if.end, label %if.then
-
-if.then: ; preds = %entry
- %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>
- %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>
- br label %if.end
-
-if.end: ; preds = %entry, %if.then
- %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 ]
- %mul.i25 = mul <16 x i8> %ret.0, %ret.0
- %mul.i24 = mul <16 x i8> %mul.i25, %mul.i25
- %mul.i23 = mul <16 x i8> %mul.i24, %mul.i24
- %mul.i = mul <16 x i8> %mul.i23, %mul.i23
- ret <16 x i8> %mul.i
-}
-
-define void @accessBig(i64* %storage) {
-; PROMOTED-LABEL: accessBig:
-; PROMOTED: adrp
-; PROMOTED: ret
- %addr = bitcast i64* %storage to <1 x i80>*
- store <1 x i80> <i80 483673642326615442599424>, <1 x i80>* %addr
- ret void
-}
-
-define void @asmStatement() {
-; PROMOTED-LABEL: asmStatement:
-; PROMOTED-NOT: adrp
-; PROMOTED: ret
- call void asm sideeffect "bfxil w0, w0, $0, $1", "i,i"(i32 28, i32 4)
- ret void
-}
-