1; RUN: llc -mtriple aarch64-unknown-windows-msvc -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,DAG-ISEL 2; RUN: llc -mtriple aarch64-unknown-windows-msvc -fast-isel -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,FAST-ISEL 3; RUN: llc -mtriple aarch64-unknown-windows-msvc -O0 -filetype asm -o - %s | FileCheck %s -check-prefixes=CHECK,GLOBAL-ISEL,GLOBAL-ISEL-FALLBACK 4 5@var = external dllimport global i32 6@ext = external global i32 7declare dllimport i32 @external() 8declare i32 @internal() 9 10define i32 @get_var() { 11 %1 = load i32, i32* @var, align 4 12 ret i32 %1 13} 14 15; CHECK-LABEL: get_var 16; CHECK: adrp x8, __imp_var 17; CHECK: ldr x8, [x8, __imp_var] 18; CHECK: ldr w0, [x8] 19; CHECK: ret 20 21define i32 @get_ext() { 22 %1 = load i32, i32* @ext, align 4 23 ret i32 %1 24} 25 26; CHECK-LABEL: get_ext 27; CHECK: adrp x8, ext 28; DAG-ISEL: ldr w0, [x8, ext] 29; FAST-ISEL: add x8, x8, ext 30; FAST-ISEL: ldr w0, [x8] 31; GLOBAL-ISEL-FALLBACK: add x8, x8, ext 32; GLOBAL-ISEL-FALLBACK: ldr w0, [x8] 33; CHECK: ret 34 35define i32* @get_var_pointer() { 36 ret i32* @var 37} 38 39; CHECK-LABEL: get_var_pointer 40; CHECK: adrp [[REG1:x[0-9]+]], __imp_var 41; CHECK: ldr {{x[0-9]+}}, {{\[}}[[REG1]], __imp_var] 42; CHECK: ret 43 44define i32 @call_external() { 45 %call = tail call i32 @external() 46 ret i32 %call 47} 48 49; CHECK-LABEL: call_external 50; CHECK: adrp x0, __imp_external 51; CHECK: ldr x0, [x0, __imp_external] 52; CHECK: br x0 53 54define i32 @call_internal() { 55 %call = tail call i32 @internal() 56 ret i32 %call 57} 58 59; CHECK-LABEL: call_internal 60; DAG-ISEL: b internal 61; FAST-ISEL: b internal 62; GLOBAL-ISEL: bl internal 63