1; RUN: llc -mtriple=thumbv8m.base-eabi -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2BASE %s 2; RUN: llc -mtriple=thumbv8m.base-eabi -mcpu=cortex-m23 -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2BASE %s 3; RUN: llc -mtriple=thumbv7m-eabi -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2 %s 4; RUN: llc -mtriple=thumbv8m.main-eabi -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2 %s 5; RUN: llc -mtriple=thumbv6m-eabi -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK-T1 %s 6 7; CHECK-NOT: {{^ *}}.text{{$}} 8; CHECK: .section .text,"axy",%progbits,unique,0 9 10@var = global i32 0 11 12define i32 @global() minsize { 13; CHECK-LABEL: global: 14; CHECK: movw [[GLOBDEST:r[0-9]+]], :lower16:var 15; CHECK-NEXT: movt [[GLOBDEST]], :upper16:var 16; CHECK-T1-LABEL: global: 17; CHECK-T1: movs [[GLOBDEST:r[0-9]+]], :upper8_15:var 18; CHECK-T1-NEXT: lsls [[GLOBDEST]], [[GLOBDEST]], #8 19; CHECK-T1-NEXT: adds [[GLOBDEST]], :upper0_7:var 20; CHECK-T1-NEXT: lsls [[GLOBDEST]], [[GLOBDEST]], #8 21; CHECK-T1-NEXT: adds [[GLOBDEST]], :lower8_15:var 22; CHECK-T1-NEXT: lsls [[GLOBDEST]], [[GLOBDEST]], #8 23; CHECK-T1-NEXT: adds [[GLOBDEST]], :lower0_7:var 24 25 %val = load i32, ptr @var 26 ret i32 %val 27} 28 29define i32 @jump_table(i32 %c, i32 %a, i32 %b) #0 { 30; CHECK-LABEL: jump_table: 31; CHECK-T2: adr.w [[REG_JT:r[0-9]+]], .LJTI1_0 32; CHECK-T2: add.w [[REG_ENTRY:r[0-9]+]], [[REG_JT]], {{r[0-9]+}}, lsl #2 33; CHECK-T2: mov pc, [[REG_ENTRY]] 34 35; CHECK-T2BASE: lsls [[REG_OFFSET:r[0-9]+]], {{r[0-9]+}}, #2 36; CHECK-T2BASE: adr [[REG_JT:r[0-9]+]], .LJTI1_0 37; CHECK-T2BASE: adds [[REG_ENTRY:r[0-9]+]], [[REG_JT]], [[REG_OFFSET]] 38; CHECK-T2BASE: mov pc, [[REG_ENTRY]] 39 40; CHECK-LABEL: .LJTI1_0: 41; CHECK-NEXT: b.w 42; CHECK-NEXT: b.w 43; CHECK-NEXT: b.w 44; CHECK-NEXT: b.w 45; CHECK-NEXT: b.w 46; CHECK-NEXT: b.w 47 48; CHECK-T1-LABEL: jump_table: 49; CHECK-T1: lsls [[REG_OFFSET:r[0-9]+]], {{r[0-9]+}}, #2 50; CHECK-T1-NEXT: movs [[REG_JT:r[0-9]+]], :upper8_15:.LJTI1_0 51; CHECK-T1-NEXT: lsls [[REG_JT]], [[REG_JT]], #8 52; CHECK-T1-NEXT: adds [[REG_JT]], :upper0_7:.LJTI1_0 53; CHECK-T1-NEXT: lsls [[REG_JT]], [[REG_JT]], #8 54; CHECK-T1-NEXT: adds [[REG_JT]], :lower8_15:.LJTI1_0 55; CHECK-T1-NEXT: lsls [[REG_JT]], [[REG_JT]], #8 56; CHECK-T1-NEXT: adds [[REG_JT]], :lower0_7:.LJTI1_0 57; CHECK-T1-NEXT: ldr [[REG_ENTRY:r[0-9]+]], [[[REG_JT]], [[REG_OFFSET]]] 58; CHECK-T1-NEXT: mov pc, [[REG_ENTRY]] 59; CHECK-T1: .section .rodata,"a",%progbits 60; CHECK-T1-NEXT: .p2align 2, 0x0 61; CHECK-T1-NEXT: .LJTI1_0: 62; CHECK-T1-NEXT: .long 63; CHECK-T1-NEXT: .long 64; CHECK-T1-NEXT: .long 65; CHECK-T1-NEXT: .long 66; CHECK-T1-NEXT: .long 67; CHECK-T1-NEXT: .long 68 69entry: 70 switch i32 %c, label %return [ 71 i32 1, label %sw.bb 72 i32 2, label %sw.bb1 73 i32 3, label %sw.bb3 74 i32 4, label %sw.bb4 75 i32 5, label %sw.bb6 76 i32 6, label %sw.bb8 77 ] 78 79sw.bb: ; preds = %entry 80 %add = add nsw i32 %a, 6 81 br label %return 82 83sw.bb1: ; preds = %entry 84 %add2 = add nsw i32 %a, 4 85 br label %return 86 87sw.bb3: ; preds = %entry 88 %sub = add nsw i32 %a, -3 89 br label %return 90 91sw.bb4: ; preds = %entry 92 %add5 = add nsw i32 %b, 5 93 br label %return 94 95sw.bb6: ; preds = %entry 96 %add7 = add nsw i32 %a, 1 97 br label %return 98 99sw.bb8: ; preds = %entry 100 %add9 = add nsw i32 %a, 2 101 br label %return 102 103return: ; preds = %entry, %sw.bb8, %sw.bb6, %sw.bb4, %sw.bb3, %sw.bb1, %sw.bb 104 %retval.0 = phi i32 [ %add9, %sw.bb8 ], [ %add7, %sw.bb6 ], [ %add5, %sw.bb4 ], [ %sub, %sw.bb3 ], [ %add2, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ] 105 ret i32 %retval.0 106} 107 108@.str = private unnamed_addr constant [4 x i8] c"FOO\00", align 1 109 110define hidden ptr @string_literal() { 111entry: 112; CHECK-LABEL: string_literal: 113; CHECK: movw [[STRLIT:r[0-9]+]], :lower16:.L.str 114; CHECK-NEXT: movt [[STRLIT]], :upper16:.L.str 115; CHECK-T1-LABEL: string_literal: 116; CHECK-T1: movs [[STRLIT:r[0-9]+]], :upper8_15:.L.str 117; CHECK-T1-NEXT: lsls [[STRLIT]], [[STRLIT]], #8 118; CHECK-T1-NEXT: adds [[STRLIT]], :upper0_7:.L.str 119; CHECK-T1-NEXT: lsls [[STRLIT]], [[STRLIT]], #8 120; CHECK-T1-NEXT: adds [[STRLIT]], :lower8_15:.L.str 121; CHECK-T1-NEXT: lsls [[STRLIT]], [[STRLIT]], #8 122; CHECK-T1-NEXT: adds [[STRLIT]], :lower0_7:.L.str 123 124 ret ptr @.str 125} 126 127@external_global = external global i32 128define i32 @test_external_global() { 129entry: 130; CHECK-LABEL: external_global: 131; CHECK: movw [[EXTGLOB:r[0-9]+]], :lower16:external_global 132; CHECK-NEXT: movt [[EXTGLOB]], :upper16:external_global 133; CHECK-T1-LABEL: external_global: 134; CHECK-T1: movs [[EXTGLOB:r[0-9]+]], :upper8_15:external_global 135; CHECK-T1-NEXT: lsls [[EXTGLOB]], [[EXTGLOB]], #8 136; CHECK-T1-NEXT: adds [[EXTGLOB]], :upper0_7:external_global 137; CHECK-T1-NEXT: lsls [[EXTGLOB]], [[EXTGLOB]], #8 138; CHECK-T1-NEXT: adds [[EXTGLOB]], :lower8_15:external_global 139; CHECK-T1-NEXT: lsls [[EXTGLOB]], [[EXTGLOB]], #8 140; CHECK-T1-NEXT: adds [[EXTGLOB]], :lower0_7:external_global 141 142 %v = load i32, ptr @external_global 143 ret i32 %v 144} 145