| ; RUN: llc < %s -march=arm64 -enable-misched=false -aarch64-stp-suppress=false -verify-machineinstrs | FileCheck %s |
| |
| ; The next set of tests makes sure we can combine the second instruction into |
| ; the first. |
| |
| ; CHECK-LABEL: stp_int_aa |
| ; CHECK: stp w0, w1, [x2] |
| ; CHECK: ldr w0, [x2, #8] |
| ; CHECK: ret |
| define i32 @stp_int_aa(i32 %a, i32 %b, i32* nocapture %p) nounwind { |
| store i32 %a, i32* %p, align 4 |
| %ld.ptr = getelementptr inbounds i32, i32* %p, i64 2 |
| %tmp = load i32, i32* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds i32, i32* %p, i64 1 |
| store i32 %b, i32* %add.ptr, align 4 |
| ret i32 %tmp |
| } |
| |
| ; CHECK-LABEL: stp_long_aa |
| ; CHECK: stp x0, x1, [x2] |
| ; CHECK: ldr x0, [x2, #16] |
| ; CHECK: ret |
| define i64 @stp_long_aa(i64 %a, i64 %b, i64* nocapture %p) nounwind { |
| store i64 %a, i64* %p, align 8 |
| %ld.ptr = getelementptr inbounds i64, i64* %p, i64 2 |
| %tmp = load i64, i64* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds i64, i64* %p, i64 1 |
| store i64 %b, i64* %add.ptr, align 8 |
| ret i64 %tmp |
| } |
| |
| ; CHECK-LABEL: stp_float_aa |
| ; CHECK: stp s0, s1, [x0] |
| ; CHECK: ldr s0, [x0, #8] |
| ; CHECK: ret |
| define float @stp_float_aa(float %a, float %b, float* nocapture %p) nounwind { |
| store float %a, float* %p, align 4 |
| %ld.ptr = getelementptr inbounds float, float* %p, i64 2 |
| %tmp = load float, float* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds float, float* %p, i64 1 |
| store float %b, float* %add.ptr, align 4 |
| ret float %tmp |
| } |
| |
| ; CHECK-LABEL: stp_double_aa |
| ; CHECK: stp d0, d1, [x0] |
| ; CHECK: ldr d0, [x0, #16] |
| ; CHECK: ret |
| define double @stp_double_aa(double %a, double %b, double* nocapture %p) nounwind { |
| store double %a, double* %p, align 8 |
| %ld.ptr = getelementptr inbounds double, double* %p, i64 2 |
| %tmp = load double, double* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds double, double* %p, i64 1 |
| store double %b, double* %add.ptr, align 8 |
| ret double %tmp |
| } |
| |
| ; The next set of tests makes sure we can combine the first instruction into |
| ; the second. |
| |
| ; CHECK-LABEL: stp_int_aa_after |
| ; CHECK: ldr w0, [x3, #4] |
| ; CHECK: stp w1, w2, [x3] |
| ; CHECK: ret |
| define i32 @stp_int_aa_after(i32 %w0, i32 %a, i32 %b, i32* nocapture %p) nounwind { |
| store i32 %a, i32* %p, align 4 |
| %ld.ptr = getelementptr inbounds i32, i32* %p, i64 1 |
| %tmp = load i32, i32* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds i32, i32* %p, i64 1 |
| store i32 %b, i32* %add.ptr, align 4 |
| ret i32 %tmp |
| } |
| |
| ; CHECK-LABEL: stp_long_aa_after |
| ; CHECK: ldr x0, [x3, #8] |
| ; CHECK: stp x1, x2, [x3] |
| ; CHECK: ret |
| define i64 @stp_long_aa_after(i64 %x0, i64 %a, i64 %b, i64* nocapture %p) nounwind { |
| store i64 %a, i64* %p, align 8 |
| %ld.ptr = getelementptr inbounds i64, i64* %p, i64 1 |
| %tmp = load i64, i64* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds i64, i64* %p, i64 1 |
| store i64 %b, i64* %add.ptr, align 8 |
| ret i64 %tmp |
| } |
| |
| ; CHECK-LABEL: stp_float_aa_after |
| ; CHECK: ldr s0, [x0, #4] |
| ; CHECK: stp s1, s2, [x0] |
| ; CHECK: ret |
| define float @stp_float_aa_after(float %s0, float %a, float %b, float* nocapture %p) nounwind { |
| store float %a, float* %p, align 4 |
| %ld.ptr = getelementptr inbounds float, float* %p, i64 1 |
| %tmp = load float, float* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds float, float* %p, i64 1 |
| store float %b, float* %add.ptr, align 4 |
| ret float %tmp |
| } |
| |
| ; CHECK-LABEL: stp_double_aa_after |
| ; CHECK: ldr d0, [x0, #8] |
| ; CHECK: stp d1, d2, [x0] |
| ; CHECK: ret |
| define double @stp_double_aa_after(double %d0, double %a, double %b, double* nocapture %p) nounwind { |
| store double %a, double* %p, align 8 |
| %ld.ptr = getelementptr inbounds double, double* %p, i64 1 |
| %tmp = load double, double* %ld.ptr, align 4 |
| %add.ptr = getelementptr inbounds double, double* %p, i64 1 |
| store double %b, double* %add.ptr, align 8 |
| ret double %tmp |
| } |