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Fix a couple of copy-n-paste bugs. Noticed by George Russell.

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llvm-svn: 147032
This commit is contained in:
Evan Cheng 2011-12-21 03:04:10 +00:00
parent 2c2140a128
commit fb22f64814
2 changed files with 28 additions and 6 deletions
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4
lib/Target/ARM/ARMInstrInfo.td
View File

@ -4212,10 +4212,10 @@ let usesCustomInserter = 1 in {
[(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
[(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
[(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
[(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
[(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
def ATOMIC_SWAP_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,

30
test/CodeGen/ARM/atomic-op.ll
View File

@ -1,5 +1,5 @@
; RUN: llc < %s -mtriple=armv7-apple-darwin10 -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s
define void @func(i32 %argc, i8** %argv) nounwind {
entry:
@ -61,7 +61,7 @@ entry:
; CHECK: strex
%7 = atomicrmw min i32* %val2, i32 16 monotonic
store i32 %7, i32* %old
%neg = sub i32 0, 1 ; <i32> [#uses=1]
%neg = sub i32 0, 1
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
@ -77,5 +77,27 @@ entry:
; CHECK: strex
%10 = atomicrmw max i32* %val2, i32 0 monotonic
store i32 %10, i32* %old
ret void
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%11 = atomicrmw umin i32* %val2, i32 16 monotonic
store i32 %11, i32* %old
%uneg = sub i32 0, 1
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%12 = atomicrmw umin i32* %val2, i32 %uneg monotonic
store i32 %12, i32* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%13 = atomicrmw umax i32* %val2, i32 1 monotonic
store i32 %13, i32* %old
; CHECK: ldrex
; CHECK: cmp
; CHECK: strex
%14 = atomicrmw umax i32* %val2, i32 0 monotonic
store i32 %14, i32* %old
ret void
}