1*a603c407STim Northover; RUN: llc -mtriple=thumbv7s-apple-ios8.0 -o - %s | FileCheck %s 2*a603c407STim Northover 3*a603c407STim Northoverdeclare void @foo(double) 4*a603c407STim Northoverdeclare i32 @llvm.arm.space(i32, i32) 5*a603c407STim Northover 6*a603c407STim Northover; The constpool entry used to call @foo should be directly between where we want 7*a603c407STim Northover; the tbb and its table. Fortunately, the flow is simple enough that we can 8*a603c407STim Northover; eliminate the entry calculation (ADD) and use the ADR as the base. 9*a603c407STim Northover; 10*a603c407STim Northover; I'm hoping this won't be fragile, but if it does break the most likely fix is 11*a603c407STim Northover; adjusting the @llvm.arm.space call slightly. If this happens too many times 12*a603c407STim Northover; the test should probably be removed. 13*a603c407STim Northoverdefine i32 @test_jumptable_not_adjacent(i1 %tst, i32 %sw, i32 %l) { 14*a603c407STim Northover; CHECK-LABEL: test_jumptable_not_adjacent: 15*a603c407STim Northover; CHECK: vldr {{d[0-9]+}}, [[DBL_CONST:LCPI[0-9]+_[0-9]+]] 16*a603c407STim Northover; [...] 17*a603c407STim Northover; CHECK: adr.w r[[BASE:[0-9]+]], [[JUMP_TABLE:LJTI[0-9]+_[0-9]+]] 18*a603c407STim Northover; CHECK-NOT: r[[BASE]] 19*a603c407STim Northover 20*a603c407STim Northover; CHECK: [[TBB_KEY:LCPI[0-9]+_[0-9]+]]: 21*a603c407STim Northover; CHECK-NEXT: tbb [r[[BASE]], {{r[0-9]+}}] 22*a603c407STim Northover 23*a603c407STim Northover; CHECK: [[DBL_CONST]]: 24*a603c407STim Northover; CHECK: .long 25*a603c407STim Northover; CHECK: .long 26*a603c407STim Northover; CHECK: [[JUMP_TABLE]]: 27*a603c407STim Northover; CHECK: .byte (LBB{{[0-9]+}}_{{[0-9]+}}-([[TBB_KEY]]+4) 28*a603c407STim Northover 29*a603c407STim Northover br label %complex 30*a603c407STim Northover 31*a603c407STim Northovercomplex: 32*a603c407STim Northover call void @foo(double 12345.0) 33*a603c407STim Northover call i32 @llvm.arm.space(i32 970, i32 undef) 34*a603c407STim Northover switch i32 %sw, label %second [ i32 0, label %other 35*a603c407STim Northover i32 1, label %third 36*a603c407STim Northover i32 2, label %end 37*a603c407STim Northover i32 3, label %other ] 38*a603c407STim Northover 39*a603c407STim Northoversecond: 40*a603c407STim Northover ret i32 43 41*a603c407STim Northoverthird: 42*a603c407STim Northover ret i32 0 43*a603c407STim Northover 44*a603c407STim Northoverother: 45*a603c407STim Northover call void @bar() 46*a603c407STim Northover unreachable 47*a603c407STim Northover 48*a603c407STim Northoverend: 49*a603c407STim Northover ret i32 42 50*a603c407STim Northover} 51*a603c407STim Northover 52*a603c407STim Northoverdeclare void @bar() 53