[mips][ias] Explicitly disable IAS on tests that depend on not assembling.

Summary:
no-odd-spreg-msa.ll: This test deliberately uses an odd-numbered register
in inline assembly and expects the compiler to insert a move to an
even-numbered register.

inlineasm-operand-code.ll and inlineasm_constraint.ll:
Checks for IAS's output will be added once a matcher bug is resolved. This bug
causes the canonical output emitted by IAS to be incorrect for uimm16 constants
with the MSB set. We will still need the non-IAS checks at this point since
these tests primarily test formatting of operands.

Reviewers: vkalintiris

Subscribers: dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D14705

llvm-svn: 254148

1 files changed, 74 insertions, 91 deletions

diff --git a/llvm/test/CodeGen/Mips/inlineasm-operand-code.ll b/llvm/test/CodeGen/Mips/inlineasm-operand-code.ll
index d4481b1300c..6d41385d18d 100644
--- a/llvm/test/CodeGen/Mips/inlineasm-operand-code.ll
+++ b/llvm/test/CodeGen/Mips/inlineasm-operand-code.ll
@@ -1,7 +1,9 @@
 ; Positive test for inline register constraints
 ;
-; RUN: llc -march=mipsel < %s  | FileCheck -check-prefix=CHECK_LITTLE_32 %s
-; RUN: llc -march=mips < %s  | FileCheck -check-prefix=CHECK_BIG_32 %s
+; RUN: llc -no-integrated-as -march=mipsel < %s | \
+; RUN:     FileCheck -check-prefix=ALL -check-prefix=LE32 -check-prefix=GAS %s
+; RUN: llc -no-integrated-as -march=mips < %s | \
+; RUN:     FileCheck -check-prefix=ALL -check-prefix=BE32 -check-prefix=GAS %s
 
 %union.u_tag = type { i64 }
 %struct.anon = type { i32, i32 }
@@ -10,10 +12,10 @@
 ; X with -3
 define i32 @constraint_X() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL:   constraint_X:
-;CHECK_LITTLE_32: #APP
-;CHECK_LITTLE_32: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffffffffffffffd
-;CHECK_LITTLE_32: #NO_APP
+; ALL-LABEL: constraint_X:
+; ALL:           #APP
+; GAS:           addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffffffffffffffd
+; ALL:           #NO_APP
   tail call i32 asm sideeffect "addiu $0, $1, ${2:X}", "=r,r,I"(i32 7, i32 -3) ;
   ret i32 0
 }
@@ -21,10 +23,10 @@ entry:
 ; x with -3
 define i32 @constraint_x() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL:   constraint_x:
-;CHECK_LITTLE_32: #APP
-;CHECK_LITTLE_32: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffd
-;CHECK_LITTLE_32: #NO_APP
+; ALL-LABEL: constraint_x:
+; ALL: #APP
+; GAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffd
+; ALL: #NO_APP
   tail call i32 asm sideeffect "addiu $0, $1, ${2:x}", "=r,r,I"(i32 7, i32 -3) ;
   ret i32 0
 }
@@ -32,10 +34,10 @@ entry:
 ; d with -3
 define i32 @constraint_d() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL:   constraint_d:
-;CHECK_LITTLE_32:   #APP
-;CHECK_LITTLE_32:   addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
-;CHECK_LITTLE_32:   #NO_APP
+; ALL-LABEL: constraint_d:
+; ALL:   #APP
+; ALL:   addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
+; ALL:   #NO_APP
   tail call i32 asm sideeffect "addiu $0, $1, ${2:d}", "=r,r,I"(i32 7, i32 -3) ;
   ret i32 0
 }
@@ -43,10 +45,10 @@ entry:
 ; m with -3
 define i32 @constraint_m() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL:   constraint_m:
-;CHECK_LITTLE_32:   #APP
-;CHECK_LITTLE_32:   addiu ${{[0-9]+}}, ${{[0-9]+}}, -4
-;CHECK_LITTLE_32:   #NO_APP
+; ALL-LABEL: constraint_m:
+; ALL:   #APP
+; ALL:   addiu ${{[0-9]+}}, ${{[0-9]+}}, -4
+; ALL:   #NO_APP
   tail call i32 asm sideeffect "addiu $0, $1, ${2:m}", "=r,r,I"(i32 7, i32 -3) ;
   ret i32 0
 }
@@ -54,125 +56,106 @@ entry:
 ; z with -3
 define i32 @constraint_z() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL: constraint_z:
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
-;CHECK_LITTLE_32:    #NO_APP
+; ALL-LABEL: constraint_z:
+; ALL:    #APP
+; ALL:    addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
+; ALL:    #NO_APP
   tail call i32 asm sideeffect "addiu $0, $1, ${2:z}", "=r,r,I"(i32 7, i32 -3) ;
 
 ; z with 0
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    addiu ${{[0-9]+}}, ${{[0-9]+}}, $0
-;CHECK_LITTLE_32:    #NO_APP
+; ALL:    #APP
+; GAS:    addiu ${{[0-9]+}}, ${{[0-9]+}}, $0
+; ALL:    #NO_APP
   tail call i32 asm sideeffect "addiu $0, $1, ${2:z}", "=r,r,I"(i32 7, i32 0) nounwind
 
 ; z with non-zero and the "r"(register) and "J"(integer zero) constraints
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
+; ALL:    #APP
+; ALL:    mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
+; ALL:    #NO_APP
   call void asm sideeffect "mtc0 ${0:z}, $$12", "Jr"(i32 7) nounwind
 
 ; z with zero and the "r"(register) and "J"(integer zero) constraints
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    mtc0 $0, ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
+; ALL:    #APP
+; ALL:    mtc0 $0, ${{[0-9]+}}
+; ALL:    #NO_APP
   call void asm sideeffect "mtc0 ${0:z}, $$12", "Jr"(i32 0) nounwind
 
 ; z with non-zero and just the "r"(register) constraint
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
+; ALL:    #APP
+; ALL:    mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
+; ALL:    #NO_APP
   call void asm sideeffect "mtc0 ${0:z}, $$12", "r"(i32 7) nounwind
 
 ; z with zero and just the "r"(register) constraint
 ; FIXME: Check for $0, instead of other registers.
 ;        We should be using $0 directly in this case, not real registers.
 ;        When the materialization of 0 gets fixed, this test will fail.
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
+; ALL:    #APP
+; ALL:    mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
+; ALL:    #NO_APP
   call void asm sideeffect "mtc0 ${0:z}, $$12", "r"(i32 0) nounwind
   ret i32 0
 }
 
-; a long long in 32 bit mode (use to assert)
+; A long long in 32 bit mode (use to assert)
 define i32 @constraint_longlong() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL: constraint_longlong:
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    addiu ${{[0-9]+}}, ${{[0-9]+}}, 3
-;CHECK_LITTLE_32:    #NO_APP
+; ALL-LABEL: constraint_longlong:
+; ALL:           #APP
+; ALL:           addiu ${{[0-9]+}}, ${{[0-9]+}}, 3
+; ALL:           #NO_APP
   tail call i64 asm sideeffect "addiu $0, $1, $2 \0A\09", "=r,r,X"(i64 1229801703532086340, i64 3) nounwind
   ret i32 0
 }
 
-; D, in little endian the source reg will be 4 bytes into the long long
+; In little endian the source reg will be 4 bytes into the long long
+; In big endian the source reg will also be 4 bytes into the long long
 define i32 @constraint_D() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL: constraint_D:
-;CHECK_LITTLE_32:    lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
-;CHECK_LITTLE_32:    lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
-;CHECK_LITTLE_32:    lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
-
-; D, in big endian the source reg will also be 4 bytes into the long long
-;CHECK_BIG_32-LABEL:    constraint_D:
-;CHECK_BIG_32:       lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
-;CHECK_BIG_32:       lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
-;CHECK_BIG_32:       lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
-;CHECK_BIG_32:       #APP
-;CHECK_BIG_32:       or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
-;CHECK_BIG_32:       #NO_APP
+; ALL-LABEL: constraint_D:
+; ALL:           lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
+; ALL:           lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
+; ALL:           lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
+; ALL:           #APP
+; LE32:          or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
+; BE32:          or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
+; ALL:           #NO_APP
   %bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
   %trunc1 = trunc i64 %bosco to i32
   tail call i32 asm sideeffect "or $0, ${1:D}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
   ret i32 0
 }
 
-; L, in little endian the source reg will be 0 bytes into the long long
+; In little endian the source reg will be 0 bytes into the long long
+; In big endian the source reg will be 4 bytes into the long long
 define i32 @constraint_L() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL: constraint_L:
-;CHECK_LITTLE_32:    lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
-;CHECK_LITTLE_32:    lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
-;CHECK_LITTLE_32:    lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
-; L, in big endian the source reg will be 4 bytes into the long long
-;CHECK_BIG_32-LABEL: constraint_L:
-;CHECK_BIG_32:       lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
-;CHECK_BIG_32:       lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
-;CHECK_BIG_32:       lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
-;CHECK_BIG_32:       #APP
-;CHECK_BIG_32:       or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
-;CHECK_BIG_32:       #NO_APP
+; ALL-LABEL: constraint_L:
+; ALL:           lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
+; ALL:           lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
+; ALL:           lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
+; ALL:           #APP
+; LE32:          or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
+; BE32:          or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
+; ALL:           #NO_APP
   %bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
   %trunc1 = trunc i64 %bosco to i32
   tail call i32 asm sideeffect "or $0, ${1:L}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
   ret i32 0
 }
 
-; M, in little endian the source reg will be 4 bytes into the long long
+; In little endian the source reg will be 4 bytes into the long long
+; In big endian the source reg will be 0 bytes into the long long
 define i32 @constraint_M() nounwind {
 entry:
-;CHECK_LITTLE_32-LABEL: constraint_M:
-;CHECK_LITTLE_32:    lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
-;CHECK_LITTLE_32:    lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
-;CHECK_LITTLE_32:    lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
-;CHECK_LITTLE_32:    #APP
-;CHECK_LITTLE_32:    or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
-;CHECK_LITTLE_32:    #NO_APP
-; M, in big endian the source reg will be 0 bytes into the long long
-;CHECK_BIG_32-LABEL:    constraint_M:
-;CHECK_BIG_32:       lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
-;CHECK_BIG_32:       lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
-;CHECK_BIG_32:       lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
-;CHECK_BIG_32:       #APP
-;CHECK_BIG_32:       or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
-;CHECK_BIG_32:       #NO_APP
+; ALL-LABEL: constraint_M:
+; ALL:           lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
+; ALL:           lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
+; ALL:           lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
+; ALL:           #APP
+; LE32:          or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
+; BE32:          or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
+; ALL:           #NO_APP
   %bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
   %trunc1 = trunc i64 %bosco to i32
   tail call i32 asm sideeffect "or $0, ${1:M}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind