1 ; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s 2 3 @var = global i1 0 4 5 define i32 @test_sextloadi32() { 6 ; CHECK-LABEL: test_sextloadi32 7 8 %val = load i1, i1* @var 9 %ret = sext i1 %val to i32 10 ; CHECK: ldrb {{w[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:var] 11 ; CHECK: {{sbfx x[0-9]+, x[0-9]+, #0, #1|sbfx w[0-9]+, w[0-9]+, #0, #1}} 12 13 ret i32 %ret 14 ; CHECK: ret 15 } 16 17 define i64 @test_sextloadi64() { 18 ; CHECK-LABEL: test_sextloadi64 19 20 %val = load i1, i1* @var 21 %ret = sext i1 %val to i64 22 ; CHECK: ldrb {{w[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:var] 23 ; CHECK: {{sbfx x[0-9]+, x[0-9]+, #0, #1}} 24 25 ret i64 %ret 26 ; CHECK: ret 27 } 28 29 define i32 @test_zextloadi32() { 30 ; CHECK-LABEL: test_zextloadi32 31 32 ; It's not actually necessary that "ret" is next, but as far as LLVM 33 ; is concerned only 0 or 1 should be loadable so no extension is 34 ; necessary. 35 %val = load i1, i1* @var 36 %ret = zext i1 %val to i32 37 ; CHECK: ldrb {{w[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:var] 38 39 ret i32 %ret 40 ; CHECK-NEXT: ret 41 } 42 43 define i64 @test_zextloadi64() { 44 ; CHECK-LABEL: test_zextloadi64 45 46 ; It's not actually necessary that "ret" is next, but as far as LLVM 47 ; is concerned only 0 or 1 should be loadable so no extension is 48 ; necessary. 49 %val = load i1, i1* @var 50 %ret = zext i1 %val to i64 51 ; CHECK: ldrb {{w[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:var] 52 53 ret i64 %ret 54 ; CHECK-NEXT: ret 55 } 56
