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llvm-mirror/test/CodeGen/Mips/divrem.ll
David Blaikie ab043ff680 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 
Essentially the same as the GEP change in r230786.

A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)

import fileinput
import sys
import re

pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")

for line in sys.stdin:
  sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))

Reviewers: rafael, dexonsmith, grosser

Differential Revision: http://reviews.llvm.org/D7649

llvm-svn: 230794
2015-02-27 21:17:42 +00:00

389 lines
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; RUN: llc -march=mips -mcpu=mips32 -verify-machineinstrs < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC32 -check-prefix=ACC32-TRAP
; RUN: llc -march=mips -mcpu=mips32r2 -verify-machineinstrs < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC32 -check-prefix=ACC32-TRAP
; RUN: llc -march=mips -mcpu=mips32r6 -verify-machineinstrs < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR32 -check-prefix=GPR32-TRAP
; RUN: llc -march=mips64 -mcpu=mips64 -verify-machineinstrs < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC64 -check-prefix=ACC64-TRAP
; RUN: llc -march=mips64 -mcpu=mips64r2 -verify-machineinstrs < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC64 -check-prefix=ACC64-TRAP
; RUN: llc -march=mips64 -mcpu=mips64r6 -verify-machineinstrs < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR64 -check-prefix=GPR64-TRAP
; RUN: llc -march=mips -mcpu=mips32 -mno-check-zero-division < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC32 -check-prefix=NOCHECK
; RUN: llc -march=mips -mcpu=mips32r2 -mno-check-zero-division < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC32 -check-prefix=NOCHECK
; RUN: llc -march=mips -mcpu=mips32r6 -mno-check-zero-division < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR32 -check-prefix=NOCHECK
; RUN: llc -march=mips64 -mcpu=mips64 -mno-check-zero-division < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC64 -check-prefix=NOCHECK
; RUN: llc -march=mips64 -mcpu=mips64r2 -mno-check-zero-division < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC64 -check-prefix=NOCHECK
; RUN: llc -march=mips64 -mcpu=mips64r6 -mno-check-zero-division < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR64 -check-prefix=NOCHECK
; FileCheck Prefixes:
; ALL - All targets
; ACC32 - Accumulator based multiply/divide on 32-bit targets
; ACC64 - Same as ACC32 but only for 64-bit targets
; GPR32 - GPR based multiply/divide on 32-bit targets
; GPR64 - Same as GPR32 but only for 64-bit targets
; ACC32-TRAP - Same as TRAP and ACC32 combined
; ACC64-TRAP - Same as TRAP and ACC64 combined
; GPR32-TRAP - Same as TRAP and GPR32 combined
; GPR64-TRAP - Same as TRAP and GPR64 combined
; NOCHECK - Division by zero will not be detected
@g0 = common global i32 0, align 4
@g1 = common global i32 0, align 4
define i32 @sdiv1(i32 signext %a0, i32 signext %a1) nounwind readnone {
entry:
; ALL-LABEL: sdiv1:
; ACC32: div $zero, $4, $5
; ACC32-TRAP: teq $5, $zero, 7
; ACC64: div $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR32: div $2, $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; GPR64: div $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC32: mflo $2
; ACC64: mflo $2
; ALL: .end sdiv1
%div = sdiv i32 %a0, %a1
ret i32 %div
}
define i32 @srem1(i32 signext %a0, i32 signext %a1) nounwind readnone {
entry:
; ALL-LABEL: srem1:
; ACC32: div $zero, $4, $5
; ACC32-TRAP: teq $5, $zero, 7
; ACC64: div $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR32: mod $2, $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; GPR64: mod $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC32: mfhi $2
; ACC64: mfhi $2
; ALL: .end srem1
%rem = srem i32 %a0, %a1
ret i32 %rem
}
define i32 @udiv1(i32 zeroext %a0, i32 zeroext %a1) nounwind readnone {
entry:
; ALL-LABEL: udiv1:
; ACC32: divu $zero, $4, $5
; ACC32-TRAP: teq $5, $zero, 7
; ACC64: divu $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR32: divu $2, $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; GPR64: divu $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC32: mflo $2
; ACC64: mflo $2
; ALL: .end udiv1
%div = udiv i32 %a0, %a1
ret i32 %div
}
define i32 @urem1(i32 zeroext %a0, i32 zeroext %a1) nounwind readnone {
entry:
; ALL-LABEL: urem1:
; ACC32: divu $zero, $4, $5
; ACC32-TRAP: teq $5, $zero, 7
; ACC64: divu $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR32: modu $2, $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; GPR64: modu $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC32: mfhi $2
; ACC64: mfhi $2
; ALL: .end urem1
%rem = urem i32 %a0, %a1
ret i32 %rem
}
define i32 @sdivrem1(i32 signext %a0, i32 signext %a1, i32* nocapture %r) nounwind {
entry:
; ALL-LABEL: sdivrem1:
; ACC32: div $zero, $4, $5
; ACC32-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC32: mflo $2
; ACC32: mfhi $[[R0:[0-9]+]]
; ACC32: sw $[[R0]], 0(${{[0-9]+}})
; ACC64: div $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mflo $2
; ACC64: mfhi $[[R0:[0-9]+]]
; ACC64: sw $[[R0]], 0(${{[0-9]+}})
; GPR32: mod $[[R0:[0-9]+]], $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR32: sw $[[R0]], 0(${{[0-9]+}})
; GPR32-DAG: div $2, $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; GPR64: mod $[[R0:[0-9]+]], $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR64: sw $[[R0]], 0(${{[0-9]+}})
; GPR64-DAG: div $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ALL: .end sdivrem1
%rem = srem i32 %a0, %a1
store i32 %rem, i32* %r, align 4
%div = sdiv i32 %a0, %a1
ret i32 %div
}
define i32 @udivrem1(i32 zeroext %a0, i32 zeroext %a1, i32* nocapture %r) nounwind {
entry:
; ALL-LABEL: udivrem1:
; ACC32: divu $zero, $4, $5
; ACC32-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC32: mflo $2
; ACC32: mfhi $[[R0:[0-9]+]]
; ACC32: sw $[[R0]], 0(${{[0-9]+}})
; ACC64: divu $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mflo $2
; ACC64: mfhi $[[R0:[0-9]+]]
; ACC64: sw $[[R0]], 0(${{[0-9]+}})
; GPR32: modu $[[R0:[0-9]+]], $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR32: sw $[[R0]], 0(${{[0-9]+}})
; GPR32-DAG: divu $2, $4, $5
; GPR32-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR64: modu $[[R0:[0-9]+]], $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR64: sw $[[R0]], 0(${{[0-9]+}})
; GPR64-DAG: divu $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ALL: .end udivrem1
%rem = urem i32 %a0, %a1
store i32 %rem, i32* %r, align 4
%div = udiv i32 %a0, %a1
ret i32 %div
}
; FIXME: It's not clear what this is supposed to test.
define i32 @killFlags() {
entry:
%0 = load i32, i32* @g0, align 4
%1 = load i32, i32* @g1, align 4
%div = sdiv i32 %0, %1
ret i32 %div
}
define i64 @sdiv2(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: sdiv2:
; ACC32: lw $25, %call16(__divdi3)(
; ACC32: jalr $25
; ACC64: ddiv $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR64: ddiv $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mflo $2
; ALL: .end sdiv2
%div = sdiv i64 %a0, %a1
ret i64 %div
}
define i64 @srem2(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: srem2:
; ACC32: lw $25, %call16(__moddi3)(
; ACC32: jalr $25
; ACC64: div $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR64: dmod $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mfhi $2
; ALL: .end srem2
%rem = srem i64 %a0, %a1
ret i64 %rem
}
define i64 @udiv2(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: udiv2:
; ACC32: lw $25, %call16(__udivdi3)(
; ACC32: jalr $25
; ACC64: divu $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR64: ddivu $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mflo $2
; ALL: .end udiv2
%div = udiv i64 %a0, %a1
ret i64 %div
}
define i64 @urem2(i64 %a0, i64 %a1) nounwind readnone {
entry:
; ALL-LABEL: urem2:
; ACC32: lw $25, %call16(__umoddi3)(
; ACC32: jalr $25
; ACC64: divu $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; GPR64: dmodu $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mfhi $2
; ALL: .end urem2
%rem = urem i64 %a0, %a1
ret i64 %rem
}
define i64 @sdivrem2(i64 %a0, i64 %a1, i64* nocapture %r) nounwind {
entry:
; ALL-LABEL: sdivrem2:
; sdivrem2 is too complex to effectively check. We can at least check for the
; calls though.
; ACC32: lw $25, %call16(__moddi3)(
; ACC32: jalr $25
; ACC32: lw $25, %call16(__divdi3)(
; ACC32: jalr $25
; ACC64: ddiv $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mflo $2
; ACC64: mfhi $[[R0:[0-9]+]]
; ACC64: sd $[[R0]], 0(${{[0-9]+}})
; GPR64: dmod $[[R0:[0-9]+]], $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR64: sd $[[R0]], 0(${{[0-9]+}})
; GPR64-DAG: ddiv $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ALL: .end sdivrem2
%rem = srem i64 %a0, %a1
store i64 %rem, i64* %r, align 8
%div = sdiv i64 %a0, %a1
ret i64 %div
}
define i64 @udivrem2(i64 %a0, i64 %a1, i64* nocapture %r) nounwind {
entry:
; ALL-LABEL: udivrem2:
; udivrem2 is too complex to effectively check. We can at least check for the
; calls though.
; ACC32: lw $25, %call16(__umoddi3)(
; ACC32: jalr $25
; ACC32: lw $25, %call16(__udivdi3)(
; ACC32: jalr $25
; ACC64: ddivu $zero, $4, $5
; ACC64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ACC64: mflo $2
; ACC64: mfhi $[[R0:[0-9]+]]
; ACC64: sd $[[R0]], 0(${{[0-9]+}})
; GPR64: dmodu $[[R0:[0-9]+]], $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; GPR64: sd $[[R0]], 0(${{[0-9]+}})
; GPR64-DAG: ddivu $2, $4, $5
; GPR64-TRAP: teq $5, $zero, 7
; NOCHECK-NOT: teq
; ALL: .end udivrem2
%rem = urem i64 %a0, %a1
store i64 %rem, i64* %r, align 8
%div = udiv i64 %a0, %a1
ret i64 %div
}
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