61 lines
1.9 KiB
LLVM
61 lines
1.9 KiB
LLVM
; RUN: llc < %s -march=arm64 -enable-misched=false -verify-machineinstrs | FileCheck %s
|
|
|
|
; The next set of tests makes sure we can combine the second instruction into
|
|
; the first.
|
|
|
|
; CHECK-LABEL: ldp_int_aa
|
|
; CHECK: ldp w8, w9, [x1]
|
|
; CHECK: str w0, [x1, #8]
|
|
; CHECK: ret
|
|
define i32 @ldp_int_aa(i32 %a, i32* %p) nounwind {
|
|
%tmp = load i32, i32* %p, align 4
|
|
%str.ptr = getelementptr inbounds i32, i32* %p, i64 2
|
|
store i32 %a, i32* %str.ptr, align 4
|
|
%add.ptr = getelementptr inbounds i32, i32* %p, i64 1
|
|
%tmp1 = load i32, i32* %add.ptr, align 4
|
|
%add = add nsw i32 %tmp1, %tmp
|
|
ret i32 %add
|
|
}
|
|
|
|
; CHECK-LABEL: ldp_long_aa
|
|
; CHECK: ldp x8, x9, [x1]
|
|
; CHECK: str x0, [x1, #16]
|
|
; CHECK: ret
|
|
define i64 @ldp_long_aa(i64 %a, i64* %p) nounwind {
|
|
%tmp = load i64, i64* %p, align 8
|
|
%str.ptr = getelementptr inbounds i64, i64* %p, i64 2
|
|
store i64 %a, i64* %str.ptr, align 4
|
|
%add.ptr = getelementptr inbounds i64, i64* %p, i64 1
|
|
%tmp1 = load i64, i64* %add.ptr, align 8
|
|
%add = add nsw i64 %tmp1, %tmp
|
|
ret i64 %add
|
|
}
|
|
|
|
; CHECK-LABEL: ldp_float_aa
|
|
; CHECK: str s0, [x0, #8]
|
|
; CHECK: ldp s1, s0, [x0]
|
|
; CHECK: ret
|
|
define float @ldp_float_aa(float %a, float* %p) nounwind {
|
|
%tmp = load float, float* %p, align 4
|
|
%str.ptr = getelementptr inbounds float, float* %p, i64 2
|
|
store float %a, float* %str.ptr, align 4
|
|
%add.ptr = getelementptr inbounds float, float* %p, i64 1
|
|
%tmp1 = load float, float* %add.ptr, align 4
|
|
%add = fadd float %tmp, %tmp1
|
|
ret float %add
|
|
}
|
|
|
|
; CHECK-LABEL: ldp_double_aa
|
|
; CHECK: str d0, [x0, #16]
|
|
; CHECK: ldp d1, d0, [x0]
|
|
; CHECK: ret
|
|
define double @ldp_double_aa(double %a, double* %p) nounwind {
|
|
%tmp = load double, double* %p, align 8
|
|
%str.ptr = getelementptr inbounds double, double* %p, i64 2
|
|
store double %a, double* %str.ptr, align 4
|
|
%add.ptr = getelementptr inbounds double, double* %p, i64 1
|
|
%tmp1 = load double, double* %add.ptr, align 8
|
|
%add = fadd double %tmp, %tmp1
|
|
ret double %add
|
|
}
|