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 48entry: 49 switch i32 %c, label %return [ 50 i32 1, label %sw.bb 51 i32 2, label %sw.bb1 52 i32 3, label %sw.bb3 53 i32 4, label %sw.bb4 54 i32 5, label %sw.bb6 55 i32 6, label %sw.bb8 56 ] 57 58sw.bb: ; preds = %entry 59 %add = add nsw i32 %a, 6 60 br label %return 61 62sw.bb1: ; preds = %entry 63 %add2 = add nsw i32 %a, 4 64 br label %return 65 66sw.bb3: ; preds = %entry 67 %sub = add nsw i32 %a, -3 68 br label %return 69 70sw.bb4: ; preds = %entry 71 %add5 = add nsw i32 %b, 5 72 br label %return 73 74sw.bb6: ; preds = %entry 75 %add7 = add nsw i32 %a, 1 76 br label %return 77 78sw.bb8: ; preds = %entry 79 %add9 = add nsw i32 %a, 2 80 br label %return 81 82return: ; preds = %entry, %sw.bb8, %sw.bb6, %sw.bb4, %sw.bb3, %sw.bb1, %sw.bb 83 %retval.0 = phi i32 [ %add9, %sw.bb8 ], [ %add7, %sw.bb6 ], [ %add5, %sw.bb4 ], [ %sub, %sw.bb3 ], [ %add2, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ] 84 ret i32 %retval.0 85} 86 87@.str = private unnamed_addr constant [4 x i8] c"FOO\00", align 1 88 89define hidden ptr @string_literal() { 90entry: 91; CHECK-LABEL: string_literal: 92; CHECK: movw [[STRLIT:r[0-9]+]], :lower16:.L.str 93; CHECK-NEXT: movt [[STRLIT]], :upper16:.L.str 94; CHECK-T1-LABEL: string_literal: 95; CHECK-T1: movs [[STRLIT:r[0-9]+]], :upper8_15:.L.str 96; CHECK-T1-NEXT: lsls [[STRLIT]], [[STRLIT]], #8 97; CHECK-T1-NEXT: adds [[STRLIT]], :upper0_7:.L.str 98; CHECK-T1-NEXT: lsls [[STRLIT]], [[STRLIT]], #8 99; CHECK-T1-NEXT: adds [[STRLIT]], :lower8_15:.L.str 100; CHECK-T1-NEXT: lsls [[STRLIT]], [[STRLIT]], #8 101; CHECK-T1-NEXT: adds [[STRLIT]], :lower0_7:.L.str 102 103 ret ptr @.str 104} 105 106@external_global = external global i32 107define i32 @test_external_global() { 108entry: 109; CHECK-LABEL: external_global: 110; CHECK: movw [[EXTGLOB:r[0-9]+]], :lower16:external_global 111; CHECK-NEXT: movt [[EXTGLOB]], :upper16:external_global 112; CHECK-T1-LABEL: external_global: 113; CHECK-T1: movs [[EXTGLOB:r[0-9]+]], :upper8_15:external_global 114; CHECK-T1-NEXT: lsls [[EXTGLOB]], [[EXTGLOB]], #8 115; CHECK-T1-NEXT: adds [[EXTGLOB]], :upper0_7:external_global 116; CHECK-T1-NEXT: lsls [[EXTGLOB]], [[EXTGLOB]], #8 117; CHECK-T1-NEXT: adds [[EXTGLOB]], :lower8_15:external_global 118; CHECK-T1-NEXT: lsls [[EXTGLOB]], [[EXTGLOB]], #8 119; CHECK-T1-NEXT: adds [[EXTGLOB]], :lower0_7:external_global 120 121 %v = load i32, ptr @external_global 122 ret i32 %v 123} 124