1 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s 2 %struct.S = type { i32} 3 4 @.str = private constant [10 x i8] c"ptr = %p\0A\00", align 1 ; <[10 x i8]*> [#uses=1] 5 @.str1 = private constant [8 x i8] c"Failed \00", align 1 ; <[8 x i8]*> [#uses=1] 6 @.str2 = private constant [2 x i8] c"0\00", align 1 ; <[2 x i8]*> [#uses=1] 7 @.str3 = private constant [7 x i8] c"test.c\00", align 1 ; <[7 x i8]*> [#uses=1] 8 @__PRETTY_FUNCTION__.2067 = internal constant [13 x i8] c"aligned_func\00" ; <[13 x i8]*> [#uses=1] 9 10 define void @aligned_func(%struct.S* byval align 64 %obj) nounwind { 11 entry: 12 %ptr = alloca i8* ; <i8**> [#uses=3] 13 %p = alloca i64 ; <i64*> [#uses=3] 14 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 15 %obj1 = bitcast %struct.S* %obj to i8* ; <i8*> [#uses=1] 16 store i8* %obj1, i8** %ptr, align 8 17 %0 = load i8** %ptr, align 8 ; <i8*> [#uses=1] 18 %1 = ptrtoint i8* %0 to i64 ; <i64> [#uses=1] 19 store i64 %1, i64* %p, align 8 20 %2 = load i8** %ptr, align 8 ; <i8*> [#uses=1] 21 %3 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.str, i64 0, i64 0), i8* %2) nounwind ; <i32> [#uses=0] 22 %4 = load i64* %p, align 8 ; <i64> [#uses=1] 23 %5 = and i64 %4, 140737488355264 ; <i64> [#uses=1] 24 %6 = load i64* %p, align 8 ; <i64> [#uses=1] 25 %7 = icmp ne i64 %5, %6 ; <i1> [#uses=1] 26 br i1 %7, label %bb, label %bb2 27 28 bb: ; preds = %entry 29 %8 = call i32 @puts(i8* getelementptr inbounds ([8 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 30 call void @__assert_fail(i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8]* @.str3, i64 0, i64 0), i32 18, i8* getelementptr inbounds ([13 x i8]* @__PRETTY_FUNCTION__.2067, i64 0, i64 0)) noreturn nounwind 31 unreachable 32 33 bb2: ; preds = %entry 34 br label %return 35 36 return: ; preds = %bb2 37 ret void 38 } 39 40 declare i32 @printf(i8*, ...) nounwind 41 42 declare i32 @puts(i8*) 43 44 declare void @__assert_fail(i8*, i8*, i32, i8*) noreturn nounwind 45 46 define void @main() nounwind { 47 entry: 48 ; CHECK: main 49 ; CHECK: andq $-64, %rsp 50 %s1 = alloca %struct.S ; <%struct.S*> [#uses=4] 51 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 52 %0 = getelementptr inbounds %struct.S* %s1, i32 0, i32 0 ; <i32*> [#uses=1] 53 store i32 1, i32* %0, align 4 54 call void @aligned_func(%struct.S* byval align 64 %s1) nounwind 55 br label %return 56 57 return: ; preds = %entry 58 ret void 59 } 60
