[PowerPC] Use sync inst alias when printing

So long as the choice between printing msync and sync is not ambiguous, we can
print 'sync 0' and just 'sync'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235663 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 15 insertions, 17 deletions

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index b2457b33828..566e4e7b46b 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -3484,7 +3484,7 @@ class PPCAsmPseudo<string asm, dag iops>
 def : InstAlias<"sc", (SC 0)>;
 
 def : InstAlias<"sync", (SYNC 0)>, Requires<[HasSYNC]>;
-def : InstAlias<"msync", (SYNC 0)>, Requires<[HasSYNC]>;
+def : InstAlias<"msync", (SYNC 0), 0>, Requires<[HasSYNC]>;
 def : InstAlias<"lwsync", (SYNC 1)>, Requires<[HasSYNC]>;
 def : InstAlias<"ptesync", (SYNC 2)>, Requires<[HasSYNC]>;
 
diff --git a/test/CodeGen/PowerPC/atomics-fences.ll b/test/CodeGen/PowerPC/atomics-fences.ll
index 09dd61f4ac5..c015fa6eefb 100644
--- a/test/CodeGen/PowerPC/atomics-fences.ll
+++ b/test/CodeGen/PowerPC/atomics-fences.ll
@@ -21,8 +21,7 @@ define void @fence_release() {
 }
 define void @fence_seq_cst() {
 ; CHECK-LABEL: fence_seq_cst
-; CHECK: sync 0
-; PPC440-NOT: sync 0
+; CHECK: sync
 ; PPC440: msync
   fence seq_cst
   ret void
diff --git a/test/CodeGen/PowerPC/atomics-indexed.ll b/test/CodeGen/PowerPC/atomics-indexed.ll
index 2f1a0b9f0b5..7a0dde034d6 100644
--- a/test/CodeGen/PowerPC/atomics-indexed.ll
+++ b/test/CodeGen/PowerPC/atomics-indexed.ll
@@ -9,7 +9,7 @@
 ; Indexed version of loads
 define i8 @load_x_i8_seq_cst([100000 x i8]* %mem) {
 ; CHECK-LABEL: load_x_i8_seq_cst
-; CHECK: sync 0
+; CHECK: sync
 ; CHECK: lbzx
 ; CHECK: lwsync
   %ptr = getelementptr inbounds [100000 x i8], [100000 x i8]* %mem, i64 0, i64 90000
@@ -46,7 +46,7 @@ define i64 @load_x_i64_unordered([100000 x i64]* %mem) {
 ; Indexed version of stores
 define void @store_x_i8_seq_cst([100000 x i8]* %mem) {
 ; CHECK-LABEL: store_x_i8_seq_cst
-; CHECK: sync 0
+; CHECK: sync
 ; CHECK: stbx
   %ptr = getelementptr inbounds [100000 x i8], [100000 x i8]* %mem, i64 0, i64 90000
   store atomic i8 42, i8* %ptr seq_cst, align 1
@@ -70,8 +70,7 @@ define void @store_x_i32_monotonic([100000 x i32]* %mem) {
 }
 define void @store_x_i64_unordered([100000 x i64]* %mem) {
 ; CHECK-LABEL: store_x_i64_unordered
-; CHECK-NOT: sync 0
-; CHECK-NOT: lwsync
+; CHECK-NOT: sync
 ; PPC32: __sync_
 ; PPC64-NOT: __sync_
 ; PPC64: stdx
diff --git a/test/CodeGen/PowerPC/atomics.ll b/test/CodeGen/PowerPC/atomics.ll
index 18038d42f33..2e1eff0f634 100644
--- a/test/CodeGen/PowerPC/atomics.ll
+++ b/test/CodeGen/PowerPC/atomics.ll
@@ -32,7 +32,7 @@ define i32 @load_i32_acquire(i32* %mem) {
 }
 define i64 @load_i64_seq_cst(i64* %mem) {
 ; CHECK-LABEL: load_i64_seq_cst
-; CHECK: sync 0
+; CHECK: sync
 ; PPC32: __sync_
 ; PPC64-NOT: __sync_
 ; PPC64: ld
@@ -65,7 +65,7 @@ define void @store_i32_release(i32* %mem) {
 }
 define void @store_i64_seq_cst(i64* %mem) {
 ; CHECK-LABEL: store_i64_seq_cst
-; CHECK: sync 0
+; CHECK: sync
 ; PPC32: __sync_
 ; PPC64-NOT: __sync_
 ; PPC64: std
@@ -76,7 +76,7 @@ define void @store_i64_seq_cst(i64* %mem) {
 ; Atomic CmpXchg
 define i8 @cas_strong_i8_sc_sc(i8* %mem) {
 ; CHECK-LABEL: cas_strong_i8_sc_sc
-; CHECK: sync 0
+; CHECK: sync
   %val = cmpxchg i8* %mem, i8 0, i8 1 seq_cst seq_cst
 ; CHECK: lwsync
   %loaded = extractvalue { i8, i1} %val, 0
@@ -116,7 +116,7 @@ define i8 @add_i8_monotonic(i8* %mem, i8 %operand) {
 }
 define i16 @xor_i16_seq_cst(i16* %mem, i16 %operand) {
 ; CHECK-LABEL: xor_i16_seq_cst
-; CHECK: sync 0
+; CHECK: sync
   %val = atomicrmw xor i16* %mem, i16 %operand seq_cst
 ; CHECK: lwsync
   ret i16 %val
diff --git a/test/MC/Disassembler/PowerPC/ppc64-encoding-bookII.txt b/test/MC/Disassembler/PowerPC/ppc64-encoding-bookII.txt
index 8b8d6a4b8ac..480681c67f1 100644
--- a/test/MC/Disassembler/PowerPC/ppc64-encoding-bookII.txt
+++ b/test/MC/Disassembler/PowerPC/ppc64-encoding-bookII.txt
@@ -72,10 +72,10 @@
 # CHECK: ldarx 2, 3, 4, 1
 0x7c 0x43 0x20 0xa9
 
-# CHECK: sync 0                          
+# CHECK: sync
 0x7c 0x00 0x04 0xac
 
-# CHECK: sync 0                          
+# CHECK: sync
 0x7c 0x00 0x04 0xac
 
 # CHECK: lwsync
diff --git a/test/MC/PowerPC/ppc64-encoding-bookII.s b/test/MC/PowerPC/ppc64-encoding-bookII.s
index 453a371f127..9b68dcc7e8d 100644
--- a/test/MC/PowerPC/ppc64-encoding-bookII.s
+++ b/test/MC/PowerPC/ppc64-encoding-bookII.s
@@ -131,11 +131,11 @@
 # CHECK-LE: ldarx 2, 3, 4, 1                # encoding: [0xa9,0x20,0x43,0x7c]
             ldarx 2, 3, 4, 1
 
-# CHECK-BE: sync 0                          # encoding: [0x7c,0x00,0x04,0xac]
-# CHECK-LE: sync 0                          # encoding: [0xac,0x04,0x00,0x7c]
+# CHECK-BE: sync                            # encoding: [0x7c,0x00,0x04,0xac]
+# CHECK-LE: sync                            # encoding: [0xac,0x04,0x00,0x7c]
             sync
-# CHECK-BE: sync 0                          # encoding: [0x7c,0x00,0x04,0xac]
-# CHECK-LE: sync 0                          # encoding: [0xac,0x04,0x00,0x7c]
+# CHECK-BE: sync                            # encoding: [0x7c,0x00,0x04,0xac]
+# CHECK-LE: sync                            # encoding: [0xac,0x04,0x00,0x7c]
             msync
 # CHECK-BE: lwsync                          # encoding: [0x7c,0x20,0x04,0xac]
 # CHECK-LE: lwsync                          # encoding: [0xac,0x04,0x20,0x7c]