&PPC::G8RCRegClass);
}
+ // GCC accepts 'cc' as an alias for 'cr0', and we need to do the same.
+ if (!R.second && StringRef("{cc}").equals_lower(Constraint)) {
+ R.first = PPC::CR0;
+ R.second = &PPC::CRRCRegClass;
+ }
+
return R;
}
def CR7 : CR<7, "cr7", [CR7LT, CR7GT, CR7EQ, CR7UN]>, DwarfRegNum<[75, 75]>;
}
-// An alias for "cr0" used by GCC.
-def CC : PPCReg<"cc">, DwarfRegAlias<CR0> {
- let Aliases = [CR0];
-}
-
// Link register
def LR : SPR<8, "lr">, DwarfRegNum<[-2, 65]>;
//let Aliases = [LR] in
let CopyCost = -1;
}
-def CCRC : RegisterClass<"PPC", [i32], 32, (add CC)> {
- let isAllocatable = 0;
-}
-
--- /dev/null
+; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+; Function Attrs: nounwind
+define void @jbd2_journal_commit_transaction() #0 {
+entry:
+ br i1 undef, label %do.body, label %if.then5
+
+if.then5: ; preds = %entry
+ unreachable
+
+do.body: ; preds = %entry
+ br i1 undef, label %do.body.i, label %trace_jbd2_start_commit.exit
+
+do.body.i: ; preds = %do.body
+ unreachable
+
+trace_jbd2_start_commit.exit: ; preds = %do.body
+ br i1 undef, label %do.body.i1116, label %trace_jbd2_commit_locking.exit
+
+do.body.i1116: ; preds = %trace_jbd2_start_commit.exit
+ unreachable
+
+trace_jbd2_commit_locking.exit: ; preds = %trace_jbd2_start_commit.exit
+ br i1 undef, label %while.end, label %while.body.lr.ph
+
+while.body.lr.ph: ; preds = %trace_jbd2_commit_locking.exit
+ unreachable
+
+while.end: ; preds = %trace_jbd2_commit_locking.exit
+ br i1 undef, label %spin_unlock.exit1146, label %if.then.i.i.i.i1144
+
+if.then.i.i.i.i1144: ; preds = %while.end
+ unreachable
+
+spin_unlock.exit1146: ; preds = %while.end
+ br i1 undef, label %spin_unlock.exit1154, label %if.then.i.i.i.i1152
+
+if.then.i.i.i.i1152: ; preds = %spin_unlock.exit1146
+ unreachable
+
+spin_unlock.exit1154: ; preds = %spin_unlock.exit1146
+ br i1 undef, label %do.body.i1159, label %trace_jbd2_commit_flushing.exit
+
+do.body.i1159: ; preds = %spin_unlock.exit1154
+ br i1 undef, label %if.end.i1166, label %do.body5.i1165
+
+do.body5.i1165: ; preds = %do.body.i1159
+ unreachable
+
+if.end.i1166: ; preds = %do.body.i1159
+ unreachable
+
+trace_jbd2_commit_flushing.exit: ; preds = %spin_unlock.exit1154
+ br i1 undef, label %for.end.i, label %for.body.lr.ph.i
+
+for.body.lr.ph.i: ; preds = %trace_jbd2_commit_flushing.exit
+ unreachable
+
+for.end.i: ; preds = %trace_jbd2_commit_flushing.exit
+ br i1 undef, label %journal_submit_data_buffers.exit, label %if.then.i.i.i.i31.i
+
+if.then.i.i.i.i31.i: ; preds = %for.end.i
+ br label %journal_submit_data_buffers.exit
+
+journal_submit_data_buffers.exit: ; preds = %if.then.i.i.i.i31.i, %for.end.i
+ br i1 undef, label %if.end103, label %if.then102
+
+if.then102: ; preds = %journal_submit_data_buffers.exit
+ unreachable
+
+if.end103: ; preds = %journal_submit_data_buffers.exit
+ br i1 undef, label %do.body.i1182, label %trace_jbd2_commit_logging.exit
+
+do.body.i1182: ; preds = %if.end103
+ br i1 undef, label %if.end.i1189, label %do.body5.i1188
+
+do.body5.i1188: ; preds = %do.body5.i1188, %do.body.i1182
+ br i1 undef, label %if.end.i1189, label %do.body5.i1188
+
+if.end.i1189: ; preds = %do.body5.i1188, %do.body.i1182
+ unreachable
+
+trace_jbd2_commit_logging.exit: ; preds = %if.end103
+ br label %while.cond129.outer1451
+
+while.cond129.outer1451: ; preds = %start_journal_io, %trace_jbd2_commit_logging.exit
+ br label %while.cond129
+
+while.cond129: ; preds = %if.then135, %while.cond129.outer1451
+ br i1 undef, label %while.end246, label %if.then135
+
+if.then135: ; preds = %while.cond129
+ br i1 undef, label %start_journal_io, label %while.cond129
+
+start_journal_io: ; preds = %if.then135
+ br label %while.cond129.outer1451
+
+while.end246: ; preds = %while.cond129
+ br i1 undef, label %for.end.i1287, label %for.body.i1277
+
+for.body.i1277: ; preds = %while.end246
+ unreachable
+
+for.end.i1287: ; preds = %while.end246
+ br i1 undef, label %journal_finish_inode_data_buffers.exit, label %if.then.i.i.i.i84.i
+
+if.then.i.i.i.i84.i: ; preds = %for.end.i1287
+ unreachable
+
+journal_finish_inode_data_buffers.exit: ; preds = %for.end.i1287
+ br i1 undef, label %if.end256, label %if.then249
+
+if.then249: ; preds = %journal_finish_inode_data_buffers.exit
+ unreachable
+
+if.end256: ; preds = %journal_finish_inode_data_buffers.exit
+ br label %while.body318
+
+while.body318: ; preds = %wait_on_buffer.exit, %if.end256
+ br i1 undef, label %wait_on_buffer.exit, label %if.then.i1296
+
+if.then.i1296: ; preds = %while.body318
+ br label %wait_on_buffer.exit
+
+wait_on_buffer.exit: ; preds = %if.then.i1296, %while.body318
+ br i1 undef, label %do.body378, label %while.body318
+
+do.body378: ; preds = %wait_on_buffer.exit
+ br i1 undef, label %while.end418, label %while.body392.lr.ph
+
+while.body392.lr.ph: ; preds = %do.body378
+ br label %while.body392
+
+while.body392: ; preds = %wait_on_buffer.exit1319, %while.body392.lr.ph
+ %0 = load i8** undef, align 8
+ %add.ptr399 = getelementptr inbounds i8* %0, i64 -72
+ %b_state.i.i1314 = bitcast i8* %add.ptr399 to i64*
+ %tobool.i1316 = icmp eq i64 undef, 0
+ br i1 %tobool.i1316, label %wait_on_buffer.exit1319, label %if.then.i1317
+
+if.then.i1317: ; preds = %while.body392
+ unreachable
+
+wait_on_buffer.exit1319: ; preds = %while.body392
+ %1 = load volatile i64* %b_state.i.i1314, align 8
+ %conv.i.i1322 = and i64 %1, 1
+ %lnot404 = icmp eq i64 %conv.i.i1322, 0
+ %.err.4 = select i1 %lnot404, i32 -5, i32 undef
+ %2 = call i64 asm sideeffect "1:.long 0x7c0000a8 $| ((($0) & 0x1f) << 21) $| (((0) & 0x1f) << 16) $| ((($3) & 0x1f) << 11) $| (((0) & 0x1) << 0) \0Aandc $0,$0,$2\0Astdcx. $0,0,$3\0Abne- 1b\0A", "=&r,=*m,r,r,*m,~{cc},~{memory}"(i64* %b_state.i.i1314, i64 262144, i64* %b_state.i.i1314, i64* %b_state.i.i1314) #0
+ store i8* %0, i8** undef, align 8
+ %cmp.i1312 = icmp eq i32* undef, undef
+ br i1 %cmp.i1312, label %while.end418, label %while.body392
+
+while.end418: ; preds = %wait_on_buffer.exit1319, %do.body378
+ %err.4.lcssa = phi i32 [ undef, %do.body378 ], [ %.err.4, %wait_on_buffer.exit1319 ]
+ %tobool419 = icmp eq i32 %err.4.lcssa, 0
+ br i1 %tobool419, label %if.end421, label %if.then420
+
+; CHECK-LABEL: @jbd2_journal_commit_transaction
+; CHECK: andi.
+; CHECK: cror [[REG:[0-9]+]], 1, 1
+; CHECK: stdcx.
+; CHECK: isel {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}, [[REG]]
+
+if.then420: ; preds = %while.end418
+ unreachable
+
+if.end421: ; preds = %while.end418
+ unreachable
+}
+
+attributes #0 = { nounwind }
+
--- /dev/null
+; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+; Function Attrs: nounwind
+define void @jbd2_journal_commit_transaction(i32* %journal) #0 {
+entry:
+ br i1 undef, label %do.body, label %if.then5
+
+if.then5: ; preds = %entry
+ unreachable
+
+do.body: ; preds = %entry
+ br i1 undef, label %do.body.i, label %trace_jbd2_start_commit.exit
+
+do.body.i: ; preds = %do.body
+ unreachable
+
+trace_jbd2_start_commit.exit: ; preds = %do.body
+ br i1 undef, label %do.body.i1116, label %trace_jbd2_commit_locking.exit
+
+do.body.i1116: ; preds = %trace_jbd2_start_commit.exit
+ br i1 undef, label %if.end.i1123, label %do.body5.i1122
+
+do.body5.i1122: ; preds = %do.body.i1116
+ unreachable
+
+if.end.i1123: ; preds = %do.body.i1116
+ br label %trace_jbd2_commit_locking.exit
+
+trace_jbd2_commit_locking.exit: ; preds = %if.end.i1123, %trace_jbd2_start_commit.exit
+ br i1 undef, label %spin_unlock.exit1146, label %if.then.i.i.i.i1144
+
+if.then.i.i.i.i1144: ; preds = %trace_jbd2_commit_locking.exit
+ unreachable
+
+spin_unlock.exit1146: ; preds = %trace_jbd2_commit_locking.exit
+ br i1 undef, label %spin_unlock.exit1154, label %if.then.i.i.i.i1152
+
+if.then.i.i.i.i1152: ; preds = %spin_unlock.exit1146
+ br label %spin_unlock.exit1154
+
+spin_unlock.exit1154: ; preds = %if.then.i.i.i.i1152, %spin_unlock.exit1146
+ br i1 undef, label %do.body.i1159, label %trace_jbd2_commit_flushing.exit
+
+do.body.i1159: ; preds = %spin_unlock.exit1154
+ unreachable
+
+trace_jbd2_commit_flushing.exit: ; preds = %spin_unlock.exit1154
+ br i1 undef, label %for.end.i, label %for.body.lr.ph.i
+
+for.body.lr.ph.i: ; preds = %trace_jbd2_commit_flushing.exit
+ br i1 undef, label %spin_unlock.exit.i, label %if.then.i.i.i.i.i
+
+if.then.i.i.i.i.i: ; preds = %for.body.lr.ph.i
+ unreachable
+
+spin_unlock.exit.i: ; preds = %for.body.lr.ph.i
+ unreachable
+
+for.end.i: ; preds = %trace_jbd2_commit_flushing.exit
+ br i1 undef, label %journal_submit_data_buffers.exit, label %if.then.i.i.i.i31.i
+
+if.then.i.i.i.i31.i: ; preds = %for.end.i
+ unreachable
+
+journal_submit_data_buffers.exit: ; preds = %for.end.i
+ br i1 undef, label %if.end103, label %if.then102
+
+if.then102: ; preds = %journal_submit_data_buffers.exit
+ unreachable
+
+if.end103: ; preds = %journal_submit_data_buffers.exit
+ br i1 undef, label %do.body.i1182, label %trace_jbd2_commit_logging.exit
+
+do.body.i1182: ; preds = %if.end103
+ unreachable
+
+trace_jbd2_commit_logging.exit: ; preds = %if.end103
+ br i1 undef, label %for.end.i1287, label %for.body.i1277
+
+for.body.i1277: ; preds = %trace_jbd2_commit_logging.exit
+ unreachable
+
+for.end.i1287: ; preds = %trace_jbd2_commit_logging.exit
+ br i1 undef, label %journal_finish_inode_data_buffers.exit, label %if.then.i.i.i.i84.i
+
+if.then.i.i.i.i84.i: ; preds = %for.end.i1287
+ unreachable
+
+journal_finish_inode_data_buffers.exit: ; preds = %for.end.i1287
+ br i1 undef, label %if.end256, label %if.then249
+
+if.then249: ; preds = %journal_finish_inode_data_buffers.exit
+ unreachable
+
+if.end256: ; preds = %journal_finish_inode_data_buffers.exit
+ br i1 undef, label %do.body277, label %if.then260
+
+if.then260: ; preds = %if.end256
+ br label %do.body277
+
+do.body277: ; preds = %if.then260, %if.end256
+ br label %while.body318
+
+while.body318: ; preds = %wait_on_buffer.exit, %do.body277
+ %tobool.i1295 = icmp eq i64 undef, 0
+ br i1 %tobool.i1295, label %wait_on_buffer.exit, label %if.then.i1296
+
+if.then.i1296: ; preds = %while.body318
+ unreachable
+
+wait_on_buffer.exit: ; preds = %while.body318
+ br i1 undef, label %do.body378, label %while.body318
+
+do.body378: ; preds = %wait_on_buffer.exit
+ br i1 undef, label %while.end418, label %while.body392.lr.ph
+
+while.body392.lr.ph: ; preds = %do.body378
+ br label %while.body392
+
+while.body392: ; preds = %wait_on_buffer.exit1319, %while.body392.lr.ph
+ %0 = load i8** undef, align 8
+ %add.ptr399 = getelementptr inbounds i8* %0, i64 -72
+ %b_state.i.i1314 = bitcast i8* %add.ptr399 to i64*
+ %tobool.i1316 = icmp eq i64 undef, 0
+ br i1 %tobool.i1316, label %wait_on_buffer.exit1319, label %if.then.i1317
+
+if.then.i1317: ; preds = %while.body392
+ unreachable
+
+wait_on_buffer.exit1319: ; preds = %while.body392
+ %1 = load volatile i64* %b_state.i.i1314, align 8
+ %conv.i.i1322 = and i64 %1, 1
+ %lnot404 = icmp eq i64 %conv.i.i1322, 0
+ %.err.4 = select i1 %lnot404, i32 -5, i32 undef
+ %2 = call i64 asm sideeffect "1:.long 0x7c0000a8 $| ((($0) & 0x1f) << 21) $| (((0) & 0x1f) << 16) $| ((($3) & 0x1f) << 11) $| (((0) & 0x1) << 0) \0Aandc $0,$0,$2\0Astdcx. $0,0,$3\0Abne- 1b\0A", "=&r,=*m,r,r,*m,~{cc},~{memory}"(i64* %b_state.i.i1314, i64 262144, i64* %b_state.i.i1314, i64* %b_state.i.i1314) #1
+ %prev.i.i.i1325 = getelementptr inbounds i8* %0, i64 8
+ %3 = load i32** null, align 8
+ store i32* %3, i32** undef, align 8
+ call void @__brelse(i32* undef) #1
+ br i1 undef, label %while.end418, label %while.body392
+
+; CHECK-LABEL: @jbd2_journal_commit_transaction
+; CHECK: andi.
+; CHECK: cror [[REG:[0-9]+]], 1, 1
+; CHECK: stdcx.
+; CHECK: isel {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}, [[REG]]
+
+while.end418: ; preds = %wait_on_buffer.exit1319, %do.body378
+ %err.4.lcssa = phi i32 [ undef, %do.body378 ], [ %.err.4, %wait_on_buffer.exit1319 ]
+ br i1 undef, label %if.end421, label %if.then420
+
+if.then420: ; preds = %while.end418
+ call void @jbd2_journal_abort(i32* %journal, i32 signext %err.4.lcssa) #1
+ br label %if.end421
+
+if.end421: ; preds = %if.then420, %while.end418
+ unreachable
+}
+
+declare void @jbd2_journal_abort(i32*, i32 signext)
+
+declare void @__brelse(i32*)
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind }
+
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