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212 lines
6.8 KiB
LLVM
212 lines
6.8 KiB
LLVM
; Positive test for inline register constraints
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;
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; RUN: llc -no-integrated-as -march=mipsel -relocation-model=pic < %s | \
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; RUN: FileCheck -check-prefixes=ALL,LE32,GAS %s
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; RUN: llc -no-integrated-as -march=mips -relocation-model=pic < %s | \
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; RUN: FileCheck -check-prefixes=ALL,BE32,GAS %s
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; IAS might not print in the same way since it parses the assembly.
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; RUN: llc -march=mipsel -relocation-model=pic < %s | \
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; RUN: FileCheck -check-prefixes=ALL,LE32,IAS %s
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; RUN: llc -march=mips -relocation-model=pic < %s | \
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; RUN: FileCheck -check-prefixes=ALL,BE32,IAS %s
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%union.u_tag = type { i64 }
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%struct.anon = type { i32, i32 }
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@uval = common global %union.u_tag zeroinitializer, align 8
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; X with -3
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define i32 @constraint_X() nounwind {
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entry:
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; ALL-LABEL: constraint_X:
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; ALL: #APP
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; GAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffffffffffffffd
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; IAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addiu $0, $1, ${2:X}", "=r,r,I"(i32 7, i32 -3) ;
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ret i32 0
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}
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; x with -3
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define i32 @constraint_x() nounwind {
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entry:
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; ALL-LABEL: constraint_x:
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; ALL: #APP
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; GAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffd
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; This is _also_ -3 because uimm16 values are silently coerced to simm16 when
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; it would otherwise fail to match.
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; IAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addiu $0, $1, ${2:x}", "=r,r,I"(i32 7, i32 -3) ;
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ret i32 0
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}
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; d with -3
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define i32 @constraint_d() nounwind {
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entry:
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; ALL-LABEL: constraint_d:
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; ALL: #APP
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; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addiu $0, $1, ${2:d}", "=r,r,I"(i32 7, i32 -3) ;
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ret i32 0
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}
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; m with -3
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define i32 @constraint_m() nounwind {
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entry:
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; ALL-LABEL: constraint_m:
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; ALL: #APP
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; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, -4
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addiu $0, $1, ${2:m}", "=r,r,I"(i32 7, i32 -3) ;
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ret i32 0
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}
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; y with 4
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define i32 @constraint_y_4() nounwind {
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entry:
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; ALL-LABEL: constraint_y_4:
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; ALL: #APP
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; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, 2
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addiu $0, $1, ${2:y}", "=r,r,I"(i32 7, i32 4) ;
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ret i32 0
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}
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; z with -3
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define void @constraint_z_0() nounwind {
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entry:
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; ALL-LABEL: constraint_z_0:
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; ALL: #APP
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; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addiu $0, $1, ${2:z}", "=r,r,I"(i32 7, i32 -3) ;
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ret void
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}
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; z with 0
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define void @constraint_z_1() nounwind {
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entry:
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; ALL-LABEL: constraint_z_1:
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; ALL: #APP
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; GAS: addu ${{[0-9]+}}, ${{[0-9]+}}, $0
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; IAS: move ${{[0-9]+}}, ${{[0-9]+}}
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; ALL: #NO_APP
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tail call i32 asm sideeffect "addu $0, $1, ${2:z}", "=r,r,I"(i32 7, i32 0) nounwind
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ret void
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}
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; z with non-zero and the "r"(register) and "J"(integer zero) constraints
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define void @constraint_z_2() nounwind {
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entry:
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; ALL-LABEL: constraint_z_2:
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; ALL: #APP
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; ALL: mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
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; ALL: #NO_APP
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call void asm sideeffect "mtc0 ${0:z}, $$12", "Jr"(i32 7) nounwind
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ret void
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}
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; z with zero and the "r"(register) and "J"(integer zero) constraints
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define void @constraint_z_3() nounwind {
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entry:
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; ALL-LABEL: constraint_z_3:
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; ALL: #APP
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; GAS: mtc0 $0, ${{[0-9]+}}
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; IAS: mtc0 $zero, ${{[0-9]+}}, 0
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; ALL: #NO_APP
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call void asm sideeffect "mtc0 ${0:z}, $$12", "Jr"(i32 0) nounwind
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ret void
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}
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; z with non-zero and just the "r"(register) constraint
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define void @constraint_z_4() nounwind {
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entry:
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; ALL-LABEL: constraint_z_4:
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; ALL: #APP
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; ALL: mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
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; ALL: #NO_APP
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call void asm sideeffect "mtc0 ${0:z}, $$12", "r"(i32 7) nounwind
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ret void
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}
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; z with zero and just the "r"(register) constraint
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define void @constraint_z_5() nounwind {
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entry:
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; ALL-LABEL: constraint_z_5:
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; FIXME: Check for $0, instead of other registers.
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; We should be using $0 directly in this case, not real registers.
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; When the materialization of 0 gets fixed, this test will fail.
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; ALL: #APP
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; ALL: mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
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; ALL: #NO_APP
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call void asm sideeffect "mtc0 ${0:z}, $$12", "r"(i32 0) nounwind
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ret void
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}
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; A long long in 32 bit mode (use to assert)
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define i32 @constraint_longlong() nounwind {
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entry:
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; ALL-LABEL: constraint_longlong:
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; ALL: #APP
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; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, 3
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; ALL: #NO_APP
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tail call i64 asm sideeffect "addiu $0, $1, $2 \0A\09", "=r,r,X"(i64 1229801703532086340, i64 3) nounwind
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ret i32 0
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}
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; In little endian the source reg will be 4 bytes into the long long
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; In big endian the source reg will also be 4 bytes into the long long
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define i32 @constraint_D() nounwind {
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entry:
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; ALL-LABEL: constraint_D:
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; ALL: lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
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; ALL: lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
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; ALL: lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
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; ALL: #APP
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; LE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
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; BE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
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; ALL: #NO_APP
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%bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
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%trunc1 = trunc i64 %bosco to i32
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tail call i32 asm sideeffect "or $0, ${1:D}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
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ret i32 0
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}
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; In little endian the source reg will be 0 bytes into the long long
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; In big endian the source reg will be 4 bytes into the long long
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define i32 @constraint_L() nounwind {
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entry:
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; ALL-LABEL: constraint_L:
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; ALL: lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
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; ALL: lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
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; ALL: lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
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; ALL: #APP
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; LE32: or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
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; BE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
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; ALL: #NO_APP
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%bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
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%trunc1 = trunc i64 %bosco to i32
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tail call i32 asm sideeffect "or $0, ${1:L}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
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ret i32 0
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}
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; In little endian the source reg will be 4 bytes into the long long
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; In big endian the source reg will be 0 bytes into the long long
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define i32 @constraint_M() nounwind {
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entry:
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; ALL-LABEL: constraint_M:
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; ALL: lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
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; ALL: lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
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; ALL: lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
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; ALL: #APP
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; LE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
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; BE32: or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
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; ALL: #NO_APP
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%bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
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%trunc1 = trunc i64 %bosco to i32
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tail call i32 asm sideeffect "or $0, ${1:M}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
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ret i32 0
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}
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