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authorShih-wei Liao <sliao@google.com>2012-08-03 00:11:18 -0700
committerShih-wei Liao <sliao@google.com>2012-08-03 00:11:18 -0700
commit7744acd1ab73b3eec6f1449f47083abe3fb1b527 (patch)
tree17ef28b6d1034fdea7f42a19bebe7ad834901d62 /test/CodeGen/Mips/atomic.ll
parent4a05ed708aed4c7a099d924ed3feb604d3e44074 (diff)
parenta94d6e87c4c49f2e81b01d66d8bfb591277f8f96 (diff)
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Merge with LLVM upstream r160668 (Jul 24th 2012)
Conflicts: include/llvm/Support/ELF.h lib/CodeGen/AsmPrinter/AsmPrinter.cpp lib/Support/Memory.cpp lib/Transforms/Instrumentation/AddressSanitizer.cpp Change-Id: Iddd658cf2eadc7165b2805b446d31af2c5c9917f
Diffstat (limited to 'test/CodeGen/Mips/atomic.ll')
-rw-r--r--test/CodeGen/Mips/atomic.ll34
1 files changed, 25 insertions, 9 deletions
diff --git a/test/CodeGen/Mips/atomic.ll b/test/CodeGen/Mips/atomic.ll
index a4763b1..050689d 100644
--- a/test/CodeGen/Mips/atomic.ll
+++ b/test/CodeGen/Mips/atomic.ll
@@ -8,7 +8,7 @@ entry:
ret i32 %0
; CHECK: AtomicLoadAdd32:
-; CHECK: lw $[[R0:[0-9]+]], %got(x)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(x)
; CHECK: $[[BB0:[A-Z_0-9]+]]:
; CHECK: ll $[[R1:[0-9]+]], 0($[[R0]])
; CHECK: addu $[[R2:[0-9]+]], $[[R1]], $4
@@ -22,7 +22,7 @@ entry:
ret i32 %0
; CHECK: AtomicLoadNand32:
-; CHECK: lw $[[R0:[0-9]+]], %got(x)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(x)
; CHECK: $[[BB0:[A-Z_0-9]+]]:
; CHECK: ll $[[R1:[0-9]+]], 0($[[R0]])
; CHECK: and $[[R3:[0-9]+]], $[[R1]], $4
@@ -40,7 +40,7 @@ entry:
ret i32 %0
; CHECK: AtomicSwap32:
-; CHECK: lw $[[R0:[0-9]+]], %got(x)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(x)
; CHECK: $[[BB0:[A-Z_0-9]+]]:
; CHECK: ll ${{[0-9]+}}, 0($[[R0]])
; CHECK: sc $[[R2:[0-9]+]], 0($[[R0]])
@@ -56,7 +56,7 @@ entry:
ret i32 %0
; CHECK: AtomicCmpSwap32:
-; CHECK: lw $[[R0:[0-9]+]], %got(x)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(x)
; CHECK: $[[BB0:[A-Z_0-9]+]]:
; CHECK: ll $2, 0($[[R0]])
; CHECK: bne $2, $4, $[[BB1:[A-Z_0-9]+]]
@@ -75,7 +75,7 @@ entry:
ret i8 %0
; CHECK: AtomicLoadAdd8:
-; CHECK: lw $[[R0:[0-9]+]], %got(y)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(y)
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
@@ -106,7 +106,7 @@ entry:
ret i8 %0
; CHECK: AtomicLoadSub8:
-; CHECK: lw $[[R0:[0-9]+]], %got(y)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(y)
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
@@ -137,7 +137,7 @@ entry:
ret i8 %0
; CHECK: AtomicLoadNand8:
-; CHECK: lw $[[R0:[0-9]+]], %got(y)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(y)
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
@@ -169,7 +169,7 @@ entry:
ret i8 %0
; CHECK: AtomicSwap8:
-; CHECK: lw $[[R0:[0-9]+]], %got(y)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(y)
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
@@ -198,7 +198,7 @@ entry:
ret i8 %0
; CHECK: AtomicCmpSwap8:
-; CHECK: lw $[[R0:[0-9]+]], %got(y)($gp)
+; CHECK: lw $[[R0:[0-9]+]], %got(y)
; CHECK: addiu $[[R1:[0-9]+]], $zero, -4
; CHECK: and $[[R2:[0-9]+]], $[[R0]], $[[R1]]
; CHECK: andi $[[R3:[0-9]+]], $[[R0]], 3
@@ -242,3 +242,19 @@ entry:
; CHECK: sync 0
}
+; make sure that this assertion in
+; TwoAddressInstructionPass::TryInstructionTransform does not fail:
+;
+; line 1203: assert(TargetRegisterInfo::isVirtualRegister(regB) &&
+;
+; it failed when MipsDAGToDAGISel::ReplaceUsesWithZeroReg replaced an
+; operand of an atomic instruction with register $zero.
+@a = external global i32
+
+define i32 @zeroreg() nounwind {
+entry:
+ %0 = cmpxchg i32* @a, i32 1, i32 0 seq_cst
+ %1 = icmp eq i32 %0, 1
+ %conv = zext i1 %1 to i32
+ ret i32 %conv
+}