1; RUN: llc -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s 2 3define i8 @byval_match(i8* byval(i8) align 1, i8* byval %ptr) { 4; CHECK-LABEL: byval_match: 5; CHECK: ldrb w0, [sp, #8] 6 %res = load i8, i8* %ptr 7 ret i8 %res 8} 9 10define void @caller_match(i8* %p0, i8* %p1) { 11; CHECK-LABEL: caller_match: 12; CHECK: ldrb [[P1:w[0-9]+]], [x1] 13; CHECK: strb [[P1]], [sp, #8] 14; CHECK: ldrb [[P0:w[0-9]+]], [x0] 15; CHECK: strb [[P0]], [sp] 16; CHECK: bl byval_match 17 call i8 @byval_match(i8* byval(i8) align 1 %p0, i8* byval %p1) 18 ret void 19} 20 21define i8 @byval_large([3 x i64]* byval([3 x i64]) align 8, i8* byval %ptr) { 22; CHECK-LABEL: byval_large: 23; CHECK: ldrb w0, [sp, #24] 24 %res = load i8, i8* %ptr 25 ret i8 %res 26} 27 28define void @caller_large([3 x i64]* %p0, i8* %p1) { 29; CHECK-LABEL: caller_large: 30; CHECK: ldr [[P0HI:x[0-9]+]], [x0, #16] 31; CHECK: ldr [[P0LO:q[0-9]+]], [x0] 32; CHECK: str [[P0HI]], [sp, #16] 33; CHECK: str [[P0LO]], [sp] 34; CHECK: bl byval_large 35 call i8 @byval_large([3 x i64]* byval([3 x i64]) align 8 %p0, i8* byval %p1) 36 ret void 37} 38