Debug Info Testing: use null instead of an empty string in context field.

[oota-llvm.git] / test / CodeGen / ARM / atomic-64bit.ll

diff --git a/test/CodeGen/ARM/atomic-64bit.ll b/test/CodeGen/ARM/atomic-64bit.ll
index f2c7305ff33a0f2a78a612c6f9cc4d8df2ae31f6..06a4df97780c05d044501e79853a60c0ebf8cb55 100644 (file)
--- a/test/CodeGen/ARM/atomic-64bit.ll
+++ b/test/CodeGen/ARM/atomic-64bit.ll
@@ -1,155 +1,155 @@
 ; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s
-; RUN: llc < %s -mtriple=thumbv7-none-linux-gnueabihf | FileCheck %s --check-prefix=CHECK-THUMB
+; RUN: llc < %s -mtriple=thumbv7-none-linux-gnueabihf -verify-machineinstrs | FileCheck %s --check-prefix=CHECK-THUMB
 
 define i64 @test1(i64* %ptr, i64 %val) {
-; CHECK: test1:
-; CHECK: dmb ish
+; CHECK-LABEL: test1:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: adds [[REG3:(r[0-9]?[02468])]], [[REG1]]
 ; CHECK: adc [[REG4:(r[0-9]?[13579])]], [[REG2]]
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test1:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test1:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: adds.w [[REG3:[a-z0-9]+]], [[REG1]]
 ; CHECK-THUMB: adc.w [[REG4:[a-z0-9]+]], [[REG2]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw add i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test2(i64* %ptr, i64 %val) {
-; CHECK: test2:
-; CHECK: dmb ish
+; CHECK-LABEL: test2:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: subs [[REG3:(r[0-9]?[02468])]], [[REG1]]
 ; CHECK: sbc [[REG4:(r[0-9]?[13579])]], [[REG2]]
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test2:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test2:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: subs.w [[REG3:[a-z0-9]+]], [[REG1]]
 ; CHECK-THUMB: sbc.w [[REG4:[a-z0-9]+]], [[REG2]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw sub i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test3(i64* %ptr, i64 %val) {
-; CHECK: test3:
-; CHECK: dmb ish
+; CHECK-LABEL: test3:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: and [[REG3:(r[0-9]?[02468])]], [[REG1]]
 ; CHECK: and [[REG4:(r[0-9]?[13579])]], [[REG2]]
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test3:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test3:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: and.w [[REG3:[a-z0-9]+]], [[REG1]]
 ; CHECK-THUMB: and.w [[REG4:[a-z0-9]+]], [[REG2]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw and i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test4(i64* %ptr, i64 %val) {
-; CHECK: test4:
-; CHECK: dmb ish
+; CHECK-LABEL: test4:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: orr [[REG3:(r[0-9]?[02468])]], [[REG1]]
 ; CHECK: orr [[REG4:(r[0-9]?[13579])]], [[REG2]]
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test4:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test4:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: orr.w [[REG3:[a-z0-9]+]], [[REG1]]
 ; CHECK-THUMB: orr.w [[REG4:[a-z0-9]+]], [[REG2]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw or i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test5(i64* %ptr, i64 %val) {
-; CHECK: test5:
-; CHECK: dmb ish
+; CHECK-LABEL: test5:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: eor [[REG3:(r[0-9]?[02468])]], [[REG1]]
 ; CHECK: eor [[REG4:(r[0-9]?[13579])]], [[REG2]]
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test5:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test5:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: eor.w [[REG3:[a-z0-9]+]], [[REG1]]
 ; CHECK-THUMB: eor.w [[REG4:[a-z0-9]+]], [[REG2]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw xor i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test6(i64* %ptr, i64 %val) {
-; CHECK: test6:
-; CHECK: dmb ish
+; CHECK-LABEL: test6:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: strexd {{[a-z0-9]+}}, {{r[0-9]?[02468]}}, {{r[0-9]?[13579]}}
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test6:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test6:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, {{[a-z0-9]+}}, {{[a-z0-9]+}}
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw xchg i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test7(i64* %ptr, i64 %val1, i64 %val2) {
-; CHECK: test7:
-; CHECK: dmb ish
+; CHECK-LABEL: test7:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: cmp [[REG1]]
 ; CHECK: cmpeq [[REG2]]
@@ -157,10 +157,10 @@ define i64 @test7(i64* %ptr, i64 %val1, i64 %val2) {
 ; CHECK: strexd {{[a-z0-9]+}}, {{r[0-9]?[02468]}}, {{r[0-9]?[13579]}}
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test7:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test7:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: cmp [[REG1]]
 ; CHECK-THUMB: it eq
@@ -169,7 +169,7 @@ define i64 @test7(i64* %ptr, i64 %val1, i64 %val2) {
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, {{[a-z0-9]+}}, {{[a-z0-9]+}}
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = cmpxchg i64* %ptr, i64 %val1, i64 %val2 seq_cst
   ret i64 %r
@@ -178,7 +178,7 @@ define i64 @test7(i64* %ptr, i64 %val1, i64 %val2) {
 ; Compiles down to cmpxchg
 ; FIXME: Should compile to a single ldrexd
 define i64 @test8(i64* %ptr) {
-; CHECK: test8:
+; CHECK-LABEL: test8:
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: cmp [[REG1]]
 ; CHECK: cmpeq [[REG2]]
@@ -186,9 +186,9 @@ define i64 @test8(i64* %ptr) {
 ; CHECK: strexd {{[a-z0-9]+}}, {{r[0-9]?[02468]}}, {{r[0-9]?[13579]}}
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test8:
+; CHECK-THUMB-LABEL: test8:
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: cmp [[REG1]]
 ; CHECK-THUMB: it eq
@@ -197,7 +197,7 @@ define i64 @test8(i64* %ptr) {
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, {{[a-z0-9]+}}, {{[a-z0-9]+}}
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = load atomic i64* %ptr seq_cst, align 8
   ret i64 %r
@@ -206,29 +206,29 @@ define i64 @test8(i64* %ptr) {
 ; Compiles down to atomicrmw xchg; there really isn't any more efficient
 ; way to write it.
 define void @test9(i64* %ptr, i64 %val) {
-; CHECK: test9:
-; CHECK: dmb ish
+; CHECK-LABEL: test9:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: strexd {{[a-z0-9]+}}, {{r[0-9]?[02468]}}, {{r[0-9]?[13579]}}
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test9:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test9:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, {{[a-z0-9]+}}, {{[a-z0-9]+}}
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   store atomic i64 %val, i64* %ptr seq_cst, align 8
   ret void
 }
 
 define i64 @test10(i64* %ptr, i64 %val) {
-; CHECK: test10:
-; CHECK: dmb ish
+; CHECK-LABEL: test10:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: subs {{[a-z0-9]+}}, [[REG1]], [[REG3:(r[0-9]?[02468])]]
 ; CHECK: sbcs {{[a-z0-9]+}}, [[REG2]], [[REG4:(r[0-9]?[13579])]]
@@ -236,10 +236,10 @@ define i64 @test10(i64* %ptr, i64 %val) {
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test10:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test10:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: subs.w {{[a-z0-9]+}}, [[REG1]], [[REG3:[a-z0-9]+]]
 ; CHECK-THUMB: sbcs.w {{[a-z0-9]+}}, [[REG2]], [[REG4:[a-z0-9]+]]
@@ -247,15 +247,15 @@ define i64 @test10(i64* %ptr, i64 %val) {
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw min i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test11(i64* %ptr, i64 %val) {
-; CHECK: test11:
-; CHECK: dmb ish
+; CHECK-LABEL: test11:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: subs {{[a-z0-9]+}}, [[REG1]], [[REG3:(r[0-9]?[02468])]]
 ; CHECK: sbcs {{[a-z0-9]+}}, [[REG2]], [[REG4:(r[0-9]?[13579])]]
@@ -263,11 +263,11 @@ define i64 @test11(i64* %ptr, i64 %val) {
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
 
-; CHECK-THUMB: test11:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test11:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: subs.w {{[a-z0-9]+}}, [[REG1]], [[REG3:[a-z0-9]+]]
 ; CHECK-THUMB: sbcs.w {{[a-z0-9]+}}, [[REG2]], [[REG4:[a-z0-9]+]]
@@ -275,15 +275,15 @@ define i64 @test11(i64* %ptr, i64 %val) {
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw umin i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test12(i64* %ptr, i64 %val) {
-; CHECK: test12:
-; CHECK: dmb ish
+; CHECK-LABEL: test12:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: subs {{[a-z0-9]+}}, [[REG1]], [[REG3:(r[0-9]?[02468])]]
 ; CHECK: sbcs {{[a-z0-9]+}}, [[REG2]], [[REG4:(r[0-9]?[13579])]]
@@ -291,10 +291,10 @@ define i64 @test12(i64* %ptr, i64 %val) {
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test12:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test12:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: subs.w {{[a-z0-9]+}}, [[REG1]], [[REG3:[a-z0-9]+]]
 ; CHECK-THUMB: sbcs.w {{[a-z0-9]+}}, [[REG2]], [[REG4:[a-z0-9]+]]
@@ -302,15 +302,15 @@ define i64 @test12(i64* %ptr, i64 %val) {
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
 
   %r = atomicrmw max i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }
 
 define i64 @test13(i64* %ptr, i64 %val) {
-; CHECK: test13:
-; CHECK: dmb ish
+; CHECK-LABEL: test13:
+; CHECK: dmb {{ish$}}
 ; CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], [[REG2:(r[0-9]?[13579])]]
 ; CHECK: subs {{[a-z0-9]+}}, [[REG1]], [[REG3:(r[0-9]?[02468])]]
 ; CHECK: sbcs {{[a-z0-9]+}}, [[REG2]], [[REG4:(r[0-9]?[13579])]]
@@ -318,10 +318,10 @@ define i64 @test13(i64* %ptr, i64 %val) {
 ; CHECK: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK: cmp
 ; CHECK: bne
-; CHECK: dmb ish
+; CHECK: dmb {{ish$}}
 
-; CHECK-THUMB: test13:
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB-LABEL: test13:
+; CHECK-THUMB: dmb {{ish$}}
 ; CHECK-THUMB: ldrexd [[REG1:[a-z0-9]+]], [[REG2:[a-z0-9]+]]
 ; CHECK-THUMB: subs.w {{[a-z0-9]+}}, [[REG1]], [[REG3:[a-z0-9]+]]
 ; CHECK-THUMB: sbcs.w {{[a-z0-9]+}}, [[REG2]], [[REG4:[a-z0-9]+]]
@@ -329,7 +329,7 @@ define i64 @test13(i64* %ptr, i64 %val) {
 ; CHECK-THUMB: strexd {{[a-z0-9]+}}, [[REG3]], [[REG4]]
 ; CHECK-THUMB: cmp
 ; CHECK-THUMB: bne
-; CHECK-THUMB: dmb ish
+; CHECK-THUMB: dmb {{ish$}}
   %r = atomicrmw umax i64* %ptr, i64 %val seq_cst
   ret i64 %r
 }