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When a ConstantExpr which uses a thread local is part of a PHI node instruction, the insruction that replaces the ConstantExpr must be inserted in the predecessor block, in front of the terminator instruction. If the predecessor block has multiple successors, the edge is first split. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192432 91177308-0d34-0410-b5e6-96231b3b80d8
146 lines
4.3 KiB
LLVM
146 lines
4.3 KiB
LLVM
; RUN: llc -march=xcore < %s | FileCheck %s
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; RUN: llc -march=xcore -O=0 < %s | FileCheck %s -check-prefix=PHINODE
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declare i8 addrspace(1)* @llvm.xcore.getst.p1i8.p1i8(i8 addrspace(1)* %r)
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declare void @llvm.xcore.msync.p1i8(i8 addrspace(1)* %r)
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declare void @llvm.xcore.ssync()
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declare void @llvm.xcore.mjoin.p1i8(i8 addrspace(1)* %r)
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declare void @llvm.xcore.initsp.p1i8(i8 addrspace(1)* %r, i8* %value)
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declare void @llvm.xcore.initpc.p1i8(i8 addrspace(1)* %r, i8* %value)
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declare void @llvm.xcore.initlr.p1i8(i8 addrspace(1)* %r, i8* %value)
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declare void @llvm.xcore.initcp.p1i8(i8 addrspace(1)* %r, i8* %value)
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declare void @llvm.xcore.initdp.p1i8(i8 addrspace(1)* %r, i8* %value)
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define i8 addrspace(1)* @test_getst(i8 addrspace(1)* %r) {
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; CHECK-LABEL: test_getst:
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; CHECK: getst r0, res[r0]
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%result = call i8 addrspace(1)* @llvm.xcore.getst.p1i8.p1i8(i8 addrspace(1)* %r)
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ret i8 addrspace(1)* %result
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}
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define void @test_ssync() {
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; CHECK-LABEL: test_ssync:
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; CHECK: ssync
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call void @llvm.xcore.ssync()
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ret void
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}
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define void @test_mjoin(i8 addrspace(1)* %r) {
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; CHECK-LABEL: test_mjoin:
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; CHECK: mjoin res[r0]
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call void @llvm.xcore.mjoin.p1i8(i8 addrspace(1)* %r)
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ret void
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}
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define void @test_initsp(i8 addrspace(1)* %t, i8* %src) {
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; CHECK-LABEL: test_initsp:
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; CHECK: init t[r0]:sp, r1
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call void @llvm.xcore.initsp.p1i8(i8 addrspace(1)* %t, i8* %src)
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ret void
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}
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define void @test_initpc(i8 addrspace(1)* %t, i8* %src) {
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; CHECK-LABEL: test_initpc:
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; CHECK: init t[r0]:pc, r1
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call void @llvm.xcore.initpc.p1i8(i8 addrspace(1)* %t, i8* %src)
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ret void
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}
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define void @test_initlr(i8 addrspace(1)* %t, i8* %src) {
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; CHECK-LABEL: test_initlr:
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; CHECK: init t[r0]:lr, r1
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call void @llvm.xcore.initlr.p1i8(i8 addrspace(1)* %t, i8* %src)
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ret void
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}
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define void @test_initcp(i8 addrspace(1)* %t, i8* %src) {
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; CHECK-LABEL: test_initcp:
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; CHECK: init t[r0]:cp, r1
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call void @llvm.xcore.initcp.p1i8(i8 addrspace(1)* %t, i8* %src)
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ret void
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}
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define void @test_initdp(i8 addrspace(1)* %t, i8* %src) {
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; CHECK-LABEL: test_initdp:
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; CHECK: init t[r0]:dp, r1
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call void @llvm.xcore.initdp.p1i8(i8 addrspace(1)* %t, i8* %src)
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ret void
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}
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@tl = thread_local global [3 x i32] zeroinitializer
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@tle = external thread_local global [2 x i32]
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define i32* @f_tl() {
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; CHECK-LABEL: f_tl:
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; CHECK: get r11, id
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; CHECK: ldaw [[R0:r[0-9]]], dp[tl]
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; CHECK: ldc [[R1:r[0-9]]], 8
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; CHECK: ldc [[R2:r[0-9]]], 12
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; r0 = id*12 + 8 + &tl
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; CHECK: lmul {{r[0-9]}}, r0, r11, [[R2]], [[R0]], [[R1]]
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ret i32* getelementptr inbounds ([3 x i32]* @tl, i32 0, i32 2)
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}
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define i32* @f_tle() {
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; CHECK-LABEL: f_tle:
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; CHECK: get r11, id
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; CHECK: shl [[R0:r[0-9]]], r11, 3
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; CHECK: ldaw [[R1:r[0-9]]], dp[tle]
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; r0 = &tl + id*8
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; CHECK: add r0, [[R1]], [[R0]]
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ret i32* getelementptr inbounds ([2 x i32]* @tle, i32 0, i32 0)
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}
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define i32 @f_tlExpr () {
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; CHECK-LABEL: f_tlExpr:
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; CHECK: get r11, id
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; CHECK: shl [[R0:r[0-9]]], r11, 3
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; CHECK: ldaw [[R1:r[0-9]]], dp[tle]
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; CHECK: add [[R2:r[0-9]]], [[R1]], [[R0]]
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; CHECK: add r0, [[R2]], [[R2]]
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ret i32 add(
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i32 ptrtoint( i32* getelementptr inbounds ([2 x i32]* @tle, i32 0, i32 0) to i32),
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i32 ptrtoint( i32* getelementptr inbounds ([2 x i32]* @tle, i32 0, i32 0) to i32))
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}
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define void @phiNode1() {
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; N.B. lowering of duplicate constexpr in a PHI node requires -O=0
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; PHINODE-LABEL: phiNode1:
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; PHINODE: get r11, id
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; PHINODE-LABEL: .LBB11_1:
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; PHINODE: get r11, id
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; PHINODE: bu .LBB11_1
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entry:
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br label %ConstantExpPhiNode
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ConstantExpPhiNode:
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%ptr = phi i32* [ getelementptr inbounds ([3 x i32]* @tl, i32 0, i32 0), %entry ],
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[ getelementptr inbounds ([3 x i32]* @tl, i32 0, i32 0), %ConstantExpPhiNode ]
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br label %ConstantExpPhiNode
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exit:
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ret void
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}
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define void @phiNode2( i1 %bool) {
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; N.B. check an extra 'Node_crit_edge' (LBB12_1) is inserted
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; PHINODE-LABEL: phiNode2:
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; PHINODE: bf {{r[0-9]}}, .LBB12_3
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; PHINODE: bu .LBB12_1
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; PHINODE-LABEL: .LBB12_1:
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; PHINODE: get r11, id
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; PHINODE-LABEL: .LBB12_2:
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; PHINODE: get r11, id
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; PHINODE: bu .LBB12_2
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; PHINODE-LABEL: .LBB12_3:
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entry:
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br i1 %bool, label %ConstantExpPhiNode, label %exit
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ConstantExpPhiNode:
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%ptr = phi i32* [ getelementptr inbounds ([3 x i32]* @tl, i32 0, i32 0), %entry ],
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[ getelementptr inbounds ([3 x i32]* @tl, i32 0, i32 0), %ConstantExpPhiNode ]
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br label %ConstantExpPhiNode
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exit:
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ret void
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}
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; CHECK-LABEL: tl:
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; CHECK: .space 96
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