diff options
Diffstat (limited to 'test/CodeGen/AArch64/arm64-ldp.ll')
-rw-r--r-- | test/CodeGen/AArch64/arm64-ldp.ll | 188 |
1 files changed, 109 insertions, 79 deletions
diff --git a/test/CodeGen/AArch64/arm64-ldp.ll b/test/CodeGen/AArch64/arm64-ldp.ll index a192eab112fa..6071d092f8b3 100644 --- a/test/CodeGen/AArch64/arm64-ldp.ll +++ b/test/CodeGen/AArch64/arm64-ldp.ll @@ -1,8 +1,6 @@ ; RUN: llc < %s -march=arm64 -verify-machineinstrs | FileCheck %s -; RUN: llc < %s -march=arm64 -aarch64-unscaled-mem-op=true\ -; RUN: -verify-machineinstrs | FileCheck -check-prefix=LDUR_CHK %s -; CHECK: ldp_int +; CHECK-LABEL: ldp_int ; CHECK: ldp define i32 @ldp_int(i32* %p) nounwind { %tmp = load i32, i32* %p, align 4 @@ -12,7 +10,7 @@ define i32 @ldp_int(i32* %p) nounwind { ret i32 %add } -; CHECK: ldp_sext_int +; CHECK-LABEL: ldp_sext_int ; CHECK: ldpsw define i64 @ldp_sext_int(i32* %p) nounwind { %tmp = load i32, i32* %p, align 4 @@ -51,7 +49,7 @@ define i64 @ldp_half_sext_res1_int(i32* %p) nounwind { } -; CHECK: ldp_long +; CHECK-LABEL: ldp_long ; CHECK: ldp define i64 @ldp_long(i64* %p) nounwind { %tmp = load i64, i64* %p, align 8 @@ -61,7 +59,7 @@ define i64 @ldp_long(i64* %p) nounwind { ret i64 %add } -; CHECK: ldp_float +; CHECK-LABEL: ldp_float ; CHECK: ldp define float @ldp_float(float* %p) nounwind { %tmp = load float, float* %p, align 4 @@ -71,7 +69,7 @@ define float @ldp_float(float* %p) nounwind { ret float %add } -; CHECK: ldp_double +; CHECK-LABEL: ldp_double ; CHECK: ldp define double @ldp_double(double* %p) nounwind { %tmp = load double, double* %p, align 8 @@ -83,10 +81,10 @@ define double @ldp_double(double* %p) nounwind { ; Test the load/store optimizer---combine ldurs into a ldp, if appropriate define i32 @ldur_int(i32* %a) nounwind { -; LDUR_CHK: ldur_int -; LDUR_CHK: ldp [[DST1:w[0-9]+]], [[DST2:w[0-9]+]], [x0, #-8] -; LDUR_CHK-NEXT: add w{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_int +; CHECK: ldp [[DST1:w[0-9]+]], [[DST2:w[0-9]+]], [x0, #-8] +; CHECK-NEXT: add w{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i32 -1 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i32 -2 @@ -96,10 +94,10 @@ define i32 @ldur_int(i32* %a) nounwind { } define i64 @ldur_sext_int(i32* %a) nounwind { -; LDUR_CHK: ldur_sext_int -; LDUR_CHK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-8] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_sext_int +; CHECK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-8] +; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i32 -1 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i32 -2 @@ -111,11 +109,11 @@ define i64 @ldur_sext_int(i32* %a) nounwind { } define i64 @ldur_half_sext_int_res0(i32* %a) nounwind { -; LDUR_CHK: ldur_half_sext_int_res0 -; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8] -; LDUR_CHK: sxtw x[[DST1]], w[[DST1]] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_half_sext_int_res0 +; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8] +; CHECK: sxtw x[[DST1]], w[[DST1]] +; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i32 -1 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i32 -2 @@ -127,11 +125,11 @@ define i64 @ldur_half_sext_int_res0(i32* %a) nounwind { } define i64 @ldur_half_sext_int_res1(i32* %a) nounwind { -; LDUR_CHK: ldur_half_sext_int_res1 -; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8] -; LDUR_CHK: sxtw x[[DST2]], w[[DST2]] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_half_sext_int_res1 +; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8] +; CHECK: sxtw x[[DST2]], w[[DST2]] +; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i32 -1 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i32 -2 @@ -144,10 +142,10 @@ define i64 @ldur_half_sext_int_res1(i32* %a) nounwind { define i64 @ldur_long(i64* %a) nounwind ssp { -; LDUR_CHK: ldur_long -; LDUR_CHK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-16] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_long +; CHECK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-16] +; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i64, i64* %a, i64 -1 %tmp1 = load i64, i64* %p1, align 2 %p2 = getelementptr inbounds i64, i64* %a, i64 -2 @@ -157,10 +155,10 @@ define i64 @ldur_long(i64* %a) nounwind ssp { } define float @ldur_float(float* %a) { -; LDUR_CHK: ldur_float -; LDUR_CHK: ldp [[DST1:s[0-9]+]], [[DST2:s[0-9]+]], [x0, #-8] -; LDUR_CHK-NEXT: add s{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_float +; CHECK: ldp [[DST1:s[0-9]+]], [[DST2:s[0-9]+]], [x0, #-8] +; CHECK-NEXT: add s{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds float, float* %a, i64 -1 %tmp1 = load float, float* %p1, align 2 %p2 = getelementptr inbounds float, float* %a, i64 -2 @@ -170,10 +168,10 @@ define float @ldur_float(float* %a) { } define double @ldur_double(double* %a) { -; LDUR_CHK: ldur_double -; LDUR_CHK: ldp [[DST1:d[0-9]+]], [[DST2:d[0-9]+]], [x0, #-16] -; LDUR_CHK-NEXT: add d{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: ldur_double +; CHECK: ldp [[DST1:d[0-9]+]], [[DST2:d[0-9]+]], [x0, #-16] +; CHECK-NEXT: add d{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds double, double* %a, i64 -1 %tmp1 = load double, double* %p1, align 2 %p2 = getelementptr inbounds double, double* %a, i64 -2 @@ -184,11 +182,11 @@ define double @ldur_double(double* %a) { ; Now check some boundary conditions define i64 @pairUpBarelyIn(i64* %a) nounwind ssp { -; LDUR_CHK: pairUpBarelyIn -; LDUR_CHK-NOT: ldur -; LDUR_CHK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: pairUpBarelyIn +; CHECK-NOT: ldur +; CHECK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256] +; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i64, i64* %a, i64 -31 %tmp1 = load i64, i64* %p1, align 2 %p2 = getelementptr inbounds i64, i64* %a, i64 -32 @@ -198,11 +196,11 @@ define i64 @pairUpBarelyIn(i64* %a) nounwind ssp { } define i64 @pairUpBarelyInSext(i32* %a) nounwind ssp { -; LDUR_CHK: pairUpBarelyInSext -; LDUR_CHK-NOT: ldur -; LDUR_CHK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: pairUpBarelyInSext +; CHECK-NOT: ldur +; CHECK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256] +; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i64 -63 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i64 -64 @@ -214,12 +212,12 @@ define i64 @pairUpBarelyInSext(i32* %a) nounwind ssp { } define i64 @pairUpBarelyInHalfSextRes0(i32* %a) nounwind ssp { -; LDUR_CHK: pairUpBarelyInHalfSextRes0 -; LDUR_CHK-NOT: ldur -; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256] -; LDUR_CHK: sxtw x[[DST1]], w[[DST1]] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: pairUpBarelyInHalfSextRes0 +; CHECK-NOT: ldur +; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256] +; CHECK: sxtw x[[DST1]], w[[DST1]] +; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i64 -63 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i64 -64 @@ -231,12 +229,12 @@ define i64 @pairUpBarelyInHalfSextRes0(i32* %a) nounwind ssp { } define i64 @pairUpBarelyInHalfSextRes1(i32* %a) nounwind ssp { -; LDUR_CHK: pairUpBarelyInHalfSextRes1 -; LDUR_CHK-NOT: ldur -; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256] -; LDUR_CHK: sxtw x[[DST2]], w[[DST2]] -; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: pairUpBarelyInHalfSextRes1 +; CHECK-NOT: ldur +; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256] +; CHECK: sxtw x[[DST2]], w[[DST2]] +; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]] +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i64 -63 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i64 -64 @@ -248,12 +246,12 @@ define i64 @pairUpBarelyInHalfSextRes1(i32* %a) nounwind ssp { } define i64 @pairUpBarelyOut(i64* %a) nounwind ssp { -; LDUR_CHK: pairUpBarelyOut -; LDUR_CHK-NOT: ldp +; CHECK-LABEL: pairUpBarelyOut +; CHECK-NOT: ldp ; Don't be fragile about which loads or manipulations of the base register ; are used---just check that there isn't an ldp before the add -; LDUR_CHK: add -; LDUR_CHK-NEXT: ret +; CHECK: add +; CHECK-NEXT: ret %p1 = getelementptr inbounds i64, i64* %a, i64 -32 %tmp1 = load i64, i64* %p1, align 2 %p2 = getelementptr inbounds i64, i64* %a, i64 -33 @@ -263,12 +261,12 @@ define i64 @pairUpBarelyOut(i64* %a) nounwind ssp { } define i64 @pairUpBarelyOutSext(i32* %a) nounwind ssp { -; LDUR_CHK: pairUpBarelyOutSext -; LDUR_CHK-NOT: ldp +; CHECK-LABEL: pairUpBarelyOutSext +; CHECK-NOT: ldp ; Don't be fragile about which loads or manipulations of the base register ; are used---just check that there isn't an ldp before the add -; LDUR_CHK: add -; LDUR_CHK-NEXT: ret +; CHECK: add +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i64 -64 %tmp1 = load i32, i32* %p1, align 2 %p2 = getelementptr inbounds i32, i32* %a, i64 -65 @@ -280,12 +278,12 @@ define i64 @pairUpBarelyOutSext(i32* %a) nounwind ssp { } define i64 @pairUpNotAligned(i64* %a) nounwind ssp { -; LDUR_CHK: pairUpNotAligned -; LDUR_CHK-NOT: ldp -; LDUR_CHK: ldur -; LDUR_CHK-NEXT: ldur -; LDUR_CHK-NEXT: add -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: pairUpNotAligned +; CHECK-NOT: ldp +; CHECK: ldur +; CHECK-NEXT: ldur +; CHECK-NEXT: add +; CHECK-NEXT: ret %p1 = getelementptr inbounds i64, i64* %a, i64 -18 %bp1 = bitcast i64* %p1 to i8* %bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1 @@ -303,12 +301,12 @@ define i64 @pairUpNotAligned(i64* %a) nounwind ssp { } define i64 @pairUpNotAlignedSext(i32* %a) nounwind ssp { -; LDUR_CHK: pairUpNotAlignedSext -; LDUR_CHK-NOT: ldp -; LDUR_CHK: ldursw -; LDUR_CHK-NEXT: ldursw -; LDUR_CHK-NEXT: add -; LDUR_CHK-NEXT: ret +; CHECK-LABEL: pairUpNotAlignedSext +; CHECK-NOT: ldp +; CHECK: ldursw +; CHECK-NEXT: ldursw +; CHECK-NEXT: add +; CHECK-NEXT: ret %p1 = getelementptr inbounds i32, i32* %a, i64 -18 %bp1 = bitcast i32* %p1 to i8* %bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1 @@ -326,3 +324,35 @@ define i64 @pairUpNotAlignedSext(i32* %a) nounwind ssp { %tmp3 = add i64 %sexttmp1, %sexttmp2 ret i64 %tmp3 } + +declare void @use-ptr(i32*) + +; CHECK-LABEL: ldp_sext_int_pre +; CHECK: ldpsw x{{[0-9]+}}, x{{[0-9]+}}, [x{{[0-9]+}}, #8] +define i64 @ldp_sext_int_pre(i32* %p) nounwind { + %ptr = getelementptr inbounds i32, i32* %p, i64 2 + call void @use-ptr(i32* %ptr) + %add.ptr = getelementptr inbounds i32, i32* %ptr, i64 0 + %tmp = load i32, i32* %add.ptr, align 4 + %add.ptr1 = getelementptr inbounds i32, i32* %ptr, i64 1 + %tmp1 = load i32, i32* %add.ptr1, align 4 + %sexttmp = sext i32 %tmp to i64 + %sexttmp1 = sext i32 %tmp1 to i64 + %add = add nsw i64 %sexttmp1, %sexttmp + ret i64 %add +} + +; CHECK-LABEL: ldp_sext_int_post +; CHECK: ldpsw x{{[0-9]+}}, x{{[0-9]+}}, [x0], #8 +define i64 @ldp_sext_int_post(i32* %p) nounwind { + %tmp = load i32, i32* %p, align 4 + %add.ptr = getelementptr inbounds i32, i32* %p, i64 1 + %tmp1 = load i32, i32* %add.ptr, align 4 + %sexttmp = sext i32 %tmp to i64 + %sexttmp1 = sext i32 %tmp1 to i64 + %ptr = getelementptr inbounds i32, i32* %add.ptr, i64 1 + call void @use-ptr(i32* %ptr) + %add = add nsw i64 %sexttmp1, %sexttmp + ret i64 %add +} + |