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https://github.com/RPCS3/llvm-mirror.git
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[AArch64] Remove an unnecessary run line and other cleanup. NFC.
Unscaled load/store combining has been enabled since the initial ARM64 port. No need for a redundance run. Also, add CHECK-LABEL directives. llvm-svn: 248945
This commit is contained in:
Chad Rosier
parent
916731afee
commit
be0a1f36fa
@ -1,8 +1,6 @@
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; RUN: llc < %s -march=arm64 -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -march=arm64 -aarch64-unscaled-mem-op=true\
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; RUN: -verify-machineinstrs | FileCheck -check-prefix=LDUR_CHK %s
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; CHECK: ldp_int
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; CHECK-LABEL: ldp_int
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; CHECK: ldp
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define i32 @ldp_int(i32* %p) nounwind {
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%tmp = load i32, i32* %p, align 4
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@ -12,7 +10,7 @@ define i32 @ldp_int(i32* %p) nounwind {
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ret i32 %add
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}
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; CHECK: ldp_sext_int
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; CHECK-LABEL: ldp_sext_int
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; CHECK: ldpsw
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define i64 @ldp_sext_int(i32* %p) nounwind {
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%tmp = load i32, i32* %p, align 4
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@ -51,7 +49,7 @@ define i64 @ldp_half_sext_res1_int(i32* %p) nounwind {
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}
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; CHECK: ldp_long
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; CHECK-LABEL: ldp_long
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; CHECK: ldp
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define i64 @ldp_long(i64* %p) nounwind {
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%tmp = load i64, i64* %p, align 8
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@ -61,7 +59,7 @@ define i64 @ldp_long(i64* %p) nounwind {
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ret i64 %add
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}
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; CHECK: ldp_float
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; CHECK-LABEL: ldp_float
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; CHECK: ldp
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define float @ldp_float(float* %p) nounwind {
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%tmp = load float, float* %p, align 4
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@ -71,7 +69,7 @@ define float @ldp_float(float* %p) nounwind {
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ret float %add
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}
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; CHECK: ldp_double
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; CHECK-LABEL: ldp_double
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; CHECK: ldp
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define double @ldp_double(double* %p) nounwind {
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%tmp = load double, double* %p, align 8
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@ -83,10 +81,10 @@ define double @ldp_double(double* %p) nounwind {
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; Test the load/store optimizer---combine ldurs into a ldp, if appropriate
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define i32 @ldur_int(i32* %a) nounwind {
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; LDUR_CHK: ldur_int
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; LDUR_CHK: ldp [[DST1:w[0-9]+]], [[DST2:w[0-9]+]], [x0, #-8]
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; LDUR_CHK-NEXT: add w{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_int
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; CHECK: ldp [[DST1:w[0-9]+]], [[DST2:w[0-9]+]], [x0, #-8]
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; CHECK-NEXT: add w{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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@ -96,10 +94,10 @@ define i32 @ldur_int(i32* %a) nounwind {
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}
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define i64 @ldur_sext_int(i32* %a) nounwind {
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; LDUR_CHK: ldur_sext_int
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; LDUR_CHK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-8]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_sext_int
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; CHECK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-8]
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; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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@ -111,11 +109,11 @@ define i64 @ldur_sext_int(i32* %a) nounwind {
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}
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define i64 @ldur_half_sext_int_res0(i32* %a) nounwind {
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; LDUR_CHK: ldur_half_sext_int_res0
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; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8]
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; LDUR_CHK: sxtw x[[DST1]], w[[DST1]]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_half_sext_int_res0
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; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8]
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; CHECK: sxtw x[[DST1]], w[[DST1]]
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; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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@ -127,11 +125,11 @@ define i64 @ldur_half_sext_int_res0(i32* %a) nounwind {
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}
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define i64 @ldur_half_sext_int_res1(i32* %a) nounwind {
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; LDUR_CHK: ldur_half_sext_int_res1
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; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8]
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; LDUR_CHK: sxtw x[[DST2]], w[[DST2]]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_half_sext_int_res1
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; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-8]
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; CHECK: sxtw x[[DST2]], w[[DST2]]
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; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i32 -1
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i32 -2
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@ -144,10 +142,10 @@ define i64 @ldur_half_sext_int_res1(i32* %a) nounwind {
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define i64 @ldur_long(i64* %a) nounwind ssp {
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; LDUR_CHK: ldur_long
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; LDUR_CHK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-16]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_long
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; CHECK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-16]
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; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -1
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -2
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@ -157,10 +155,10 @@ define i64 @ldur_long(i64* %a) nounwind ssp {
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}
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define float @ldur_float(float* %a) {
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; LDUR_CHK: ldur_float
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; LDUR_CHK: ldp [[DST1:s[0-9]+]], [[DST2:s[0-9]+]], [x0, #-8]
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; LDUR_CHK-NEXT: add s{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_float
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; CHECK: ldp [[DST1:s[0-9]+]], [[DST2:s[0-9]+]], [x0, #-8]
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; CHECK-NEXT: add s{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds float, float* %a, i64 -1
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%tmp1 = load float, float* %p1, align 2
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%p2 = getelementptr inbounds float, float* %a, i64 -2
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@ -170,10 +168,10 @@ define float @ldur_float(float* %a) {
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}
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define double @ldur_double(double* %a) {
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; LDUR_CHK: ldur_double
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; LDUR_CHK: ldp [[DST1:d[0-9]+]], [[DST2:d[0-9]+]], [x0, #-16]
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; LDUR_CHK-NEXT: add d{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: ldur_double
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; CHECK: ldp [[DST1:d[0-9]+]], [[DST2:d[0-9]+]], [x0, #-16]
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; CHECK-NEXT: add d{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds double, double* %a, i64 -1
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%tmp1 = load double, double* %p1, align 2
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%p2 = getelementptr inbounds double, double* %a, i64 -2
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@ -184,11 +182,11 @@ define double @ldur_double(double* %a) {
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; Now check some boundary conditions
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define i64 @pairUpBarelyIn(i64* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyIn
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; LDUR_CHK-NOT: ldur
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; LDUR_CHK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: pairUpBarelyIn
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; CHECK-NOT: ldur
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; CHECK: ldp [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256]
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; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -31
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -32
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@ -198,11 +196,11 @@ define i64 @pairUpBarelyIn(i64* %a) nounwind ssp {
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}
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define i64 @pairUpBarelyInSext(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyInSext
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; LDUR_CHK-NOT: ldur
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; LDUR_CHK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: pairUpBarelyInSext
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; CHECK-NOT: ldur
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; CHECK: ldpsw [[DST1:x[0-9]+]], [[DST2:x[0-9]+]], [x0, #-256]
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; CHECK-NEXT: add x{{[0-9]+}}, [[DST2]], [[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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@ -214,12 +212,12 @@ define i64 @pairUpBarelyInSext(i32* %a) nounwind ssp {
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}
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define i64 @pairUpBarelyInHalfSextRes0(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyInHalfSextRes0
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; LDUR_CHK-NOT: ldur
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; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256]
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; LDUR_CHK: sxtw x[[DST1]], w[[DST1]]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: pairUpBarelyInHalfSextRes0
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; CHECK-NOT: ldur
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; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256]
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; CHECK: sxtw x[[DST1]], w[[DST1]]
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; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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@ -231,12 +229,12 @@ define i64 @pairUpBarelyInHalfSextRes0(i32* %a) nounwind ssp {
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}
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define i64 @pairUpBarelyInHalfSextRes1(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyInHalfSextRes1
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; LDUR_CHK-NOT: ldur
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; LDUR_CHK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256]
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; LDUR_CHK: sxtw x[[DST2]], w[[DST2]]
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; LDUR_CHK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: pairUpBarelyInHalfSextRes1
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; CHECK-NOT: ldur
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; CHECK: ldp w[[DST1:[0-9]+]], w[[DST2:[0-9]+]], [x0, #-256]
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; CHECK: sxtw x[[DST2]], w[[DST2]]
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; CHECK-NEXT: add x{{[0-9]+}}, x[[DST2]], x[[DST1]]
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -63
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -64
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@ -248,12 +246,12 @@ define i64 @pairUpBarelyInHalfSextRes1(i32* %a) nounwind ssp {
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}
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define i64 @pairUpBarelyOut(i64* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyOut
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; LDUR_CHK-NOT: ldp
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; CHECK-LABEL: pairUpBarelyOut
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; CHECK-NOT: ldp
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; Don't be fragile about which loads or manipulations of the base register
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; are used---just check that there isn't an ldp before the add
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; LDUR_CHK: add
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; LDUR_CHK-NEXT: ret
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; CHECK: add
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -32
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%tmp1 = load i64, i64* %p1, align 2
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%p2 = getelementptr inbounds i64, i64* %a, i64 -33
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@ -263,12 +261,12 @@ define i64 @pairUpBarelyOut(i64* %a) nounwind ssp {
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}
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define i64 @pairUpBarelyOutSext(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpBarelyOutSext
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; LDUR_CHK-NOT: ldp
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; CHECK-LABEL: pairUpBarelyOutSext
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; CHECK-NOT: ldp
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; Don't be fragile about which loads or manipulations of the base register
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; are used---just check that there isn't an ldp before the add
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; LDUR_CHK: add
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; LDUR_CHK-NEXT: ret
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; CHECK: add
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -64
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%tmp1 = load i32, i32* %p1, align 2
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%p2 = getelementptr inbounds i32, i32* %a, i64 -65
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@ -280,12 +278,12 @@ define i64 @pairUpBarelyOutSext(i32* %a) nounwind ssp {
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}
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define i64 @pairUpNotAligned(i64* %a) nounwind ssp {
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; LDUR_CHK: pairUpNotAligned
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; LDUR_CHK-NOT: ldp
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; LDUR_CHK: ldur
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; LDUR_CHK-NEXT: ldur
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; LDUR_CHK-NEXT: add
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: pairUpNotAligned
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; CHECK-NOT: ldp
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; CHECK: ldur
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; CHECK-NEXT: ldur
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; CHECK-NEXT: add
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i64, i64* %a, i64 -18
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%bp1 = bitcast i64* %p1 to i8*
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%bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1
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@ -303,12 +301,12 @@ define i64 @pairUpNotAligned(i64* %a) nounwind ssp {
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}
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define i64 @pairUpNotAlignedSext(i32* %a) nounwind ssp {
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; LDUR_CHK: pairUpNotAlignedSext
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; LDUR_CHK-NOT: ldp
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; LDUR_CHK: ldursw
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; LDUR_CHK-NEXT: ldursw
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; LDUR_CHK-NEXT: add
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; LDUR_CHK-NEXT: ret
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; CHECK-LABEL: pairUpNotAlignedSext
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; CHECK-NOT: ldp
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; CHECK: ldursw
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; CHECK-NEXT: ldursw
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; CHECK-NEXT: add
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; CHECK-NEXT: ret
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%p1 = getelementptr inbounds i32, i32* %a, i64 -18
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%bp1 = bitcast i32* %p1 to i8*
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%bp1p1 = getelementptr inbounds i8, i8* %bp1, i64 1
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@ -329,7 +327,7 @@ define i64 @pairUpNotAlignedSext(i32* %a) nounwind ssp {
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declare void @use-ptr(i32*)
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; CHECK: ldp_sext_int_pre
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; CHECK-LABEL: ldp_sext_int_pre
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; CHECK: ldpsw x{{[0-9]+}}, x{{[0-9]+}}, [x{{[0-9]+}}, #8]
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define i64 @ldp_sext_int_pre(i32* %p) nounwind {
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%ptr = getelementptr inbounds i32, i32* %p, i64 2
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@ -344,7 +342,7 @@ define i64 @ldp_sext_int_pre(i32* %p) nounwind {
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ret i64 %add
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}
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; CHECK: ldp_sext_int_post
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; CHECK-LABEL: ldp_sext_int_post
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; CHECK: ldpsw x{{[0-9]+}}, x{{[0-9]+}}, [x0], #8
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define i64 @ldp_sext_int_post(i32* %p) nounwind {
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%tmp = load i32, i32* %p, align 4
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@ -1,8 +1,6 @@
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; RUN: llc < %s -march=arm64 -aarch64-stp-suppress=false -verify-machineinstrs -mcpu=cyclone | FileCheck %s
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; RUN: llc < %s -march=arm64 -aarch64-unscaled-mem-op=true\
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; RUN: -verify-machineinstrs -mcpu=cyclone | FileCheck -check-prefix=STUR_CHK %s
|
||||
|
||||
; CHECK: stp_int
|
||||
; CHECK-LABEL: stp_int
|
||||
; CHECK: stp w0, w1, [x2]
|
||||
define void @stp_int(i32 %a, i32 %b, i32* nocapture %p) nounwind {
|
||||
store i32 %a, i32* %p, align 4
|
||||
@ -11,7 +9,7 @@ define void @stp_int(i32 %a, i32 %b, i32* nocapture %p) nounwind {
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK: stp_long
|
||||
; CHECK-LABEL: stp_long
|
||||
; CHECK: stp x0, x1, [x2]
|
||||
define void @stp_long(i64 %a, i64 %b, i64* nocapture %p) nounwind {
|
||||
store i64 %a, i64* %p, align 8
|
||||
@ -20,7 +18,7 @@ define void @stp_long(i64 %a, i64 %b, i64* nocapture %p) nounwind {
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK: stp_float
|
||||
; CHECK-LABEL: stp_float
|
||||
; CHECK: stp s0, s1, [x0]
|
||||
define void @stp_float(float %a, float %b, float* nocapture %p) nounwind {
|
||||
store float %a, float* %p, align 4
|
||||
@ -29,7 +27,7 @@ define void @stp_float(float %a, float %b, float* nocapture %p) nounwind {
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK: stp_double
|
||||
; CHECK-LABEL: stp_double
|
||||
; CHECK: stp d0, d1, [x0]
|
||||
define void @stp_double(double %a, double %b, double* nocapture %p) nounwind {
|
||||
store double %a, double* %p, align 8
|
||||
@ -40,9 +38,9 @@ define void @stp_double(double %a, double %b, double* nocapture %p) nounwind {
|
||||
|
||||
; Test the load/store optimizer---combine ldurs into a ldp, if appropriate
|
||||
define void @stur_int(i32 %a, i32 %b, i32* nocapture %p) nounwind {
|
||||
; STUR_CHK: stur_int
|
||||
; STUR_CHK: stp w{{[0-9]+}}, {{w[0-9]+}}, [x{{[0-9]+}}, #-8]
|
||||
; STUR_CHK-NEXT: ret
|
||||
; CHECK-LABEL: stur_int
|
||||
; CHECK: stp w{{[0-9]+}}, {{w[0-9]+}}, [x{{[0-9]+}}, #-8]
|
||||
; CHECK-NEXT: ret
|
||||
%p1 = getelementptr inbounds i32, i32* %p, i32 -1
|
||||
store i32 %a, i32* %p1, align 2
|
||||
%p2 = getelementptr inbounds i32, i32* %p, i32 -2
|
||||
@ -51,9 +49,9 @@ define void @stur_int(i32 %a, i32 %b, i32* nocapture %p) nounwind {
|
||||
}
|
||||
|
||||
define void @stur_long(i64 %a, i64 %b, i64* nocapture %p) nounwind {
|
||||
; STUR_CHK: stur_long
|
||||
; STUR_CHK: stp x{{[0-9]+}}, {{x[0-9]+}}, [x{{[0-9]+}}, #-16]
|
||||
; STUR_CHK-NEXT: ret
|
||||
; CHECK-LABEL: stur_long
|
||||
; CHECK: stp x{{[0-9]+}}, {{x[0-9]+}}, [x{{[0-9]+}}, #-16]
|
||||
; CHECK-NEXT: ret
|
||||
%p1 = getelementptr inbounds i64, i64* %p, i32 -1
|
||||
store i64 %a, i64* %p1, align 2
|
||||
%p2 = getelementptr inbounds i64, i64* %p, i32 -2
|
||||
@ -62,9 +60,9 @@ define void @stur_long(i64 %a, i64 %b, i64* nocapture %p) nounwind {
|
||||
}
|
||||
|
||||
define void @stur_float(float %a, float %b, float* nocapture %p) nounwind {
|
||||
; STUR_CHK: stur_float
|
||||
; STUR_CHK: stp s{{[0-9]+}}, {{s[0-9]+}}, [x{{[0-9]+}}, #-8]
|
||||
; STUR_CHK-NEXT: ret
|
||||
; CHECK-LABEL: stur_float
|
||||
; CHECK: stp s{{[0-9]+}}, {{s[0-9]+}}, [x{{[0-9]+}}, #-8]
|
||||
; CHECK-NEXT: ret
|
||||
%p1 = getelementptr inbounds float, float* %p, i32 -1
|
||||
store float %a, float* %p1, align 2
|
||||
%p2 = getelementptr inbounds float, float* %p, i32 -2
|
||||
@ -73,9 +71,9 @@ define void @stur_float(float %a, float %b, float* nocapture %p) nounwind {
|
||||
}
|
||||
|
||||
define void @stur_double(double %a, double %b, double* nocapture %p) nounwind {
|
||||
; STUR_CHK: stur_double
|
||||
; STUR_CHK: stp d{{[0-9]+}}, {{d[0-9]+}}, [x{{[0-9]+}}, #-16]
|
||||
; STUR_CHK-NEXT: ret
|
||||
; CHECK-LABEL: stur_double
|
||||
; CHECK: stp d{{[0-9]+}}, {{d[0-9]+}}, [x{{[0-9]+}}, #-16]
|
||||
; CHECK-NEXT: ret
|
||||
%p1 = getelementptr inbounds double, double* %p, i32 -1
|
||||
store double %a, double* %p1, align 2
|
||||
%p2 = getelementptr inbounds double, double* %p, i32 -2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user