diff options
Diffstat (limited to 'test/CodeGen/Mips/mips64muldiv.ll')
| -rw-r--r-- | test/CodeGen/Mips/mips64muldiv.ll | 57 |
1 files changed, 43 insertions, 14 deletions
diff --git a/test/CodeGen/Mips/mips64muldiv.ll b/test/CodeGen/Mips/mips64muldiv.ll index 39c73e9..32d05a9 100644 --- a/test/CodeGen/Mips/mips64muldiv.ll +++ b/test/CodeGen/Mips/mips64muldiv.ll @@ -1,50 +1,79 @@ -; RUN: llc -march=mips64el -mcpu=mips4 < %s | FileCheck %s -; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s +; RUN: llc -march=mips64el -mcpu=mips4 < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC +; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC +; RUN: llc -march=mips64el -mcpu=mips64r2 < %s | FileCheck %s -check-prefix=ALL -check-prefix=ACC +; RUN: llc -march=mips64el -mcpu=mips64r6 < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR + +; FileCheck prefixes: +; ALL - All targets +; ACC - Targets with accumulator based mul/div (i.e. pre-MIPS32r6) +; GPR - Targets with register based mul/div (i.e. MIPS32r6) define i64 @m0(i64 %a0, i64 %a1) nounwind readnone { entry: -; CHECK: dmult -; CHECK: mflo +; ALL-LABEL: m0: +; ACC: dmult ${{[45]}}, ${{[45]}} +; ACC: mflo $2 +; GPR: dmul $2, ${{[45]}}, ${{[45]}} %mul = mul i64 %a1, %a0 ret i64 %mul } define i64 @m1(i64 %a) nounwind readnone { entry: -; CHECK: dmult -; CHECK: mfhi +; ALL-LABEL: m1: +; ALL: lui $[[T0:[0-9]+]], 21845 +; ALL: addiu $[[T0]], $[[T0]], 21845 +; ALL: dsll $[[T0]], $[[T0]], 16 +; ALL: addiu $[[T0]], $[[T0]], 21845 +; ALL: dsll $[[T0]], $[[T0]], 16 +; ALL: addiu $[[T0]], $[[T0]], 21846 + +; ACC: dmult $4, $[[T0]] +; ACC: mfhi $[[T1:[0-9]+]] +; GPR: dmuh $[[T1:[0-9]+]], $4, $[[T0]] + +; ALL: dsrl $2, $[[T1]], 63 +; ALL: daddu $2, $[[T1]], $2 %div = sdiv i64 %a, 3 ret i64 %div } define i64 @d0(i64 %a0, i64 %a1) nounwind readnone { entry: -; CHECK: ddivu -; CHECK: mflo +; ALL-LABEL: d0: +; ACC: ddivu $zero, $4, $5 +; ACC: mflo $2 +; GPR: ddivu $2, $4, $5 %div = udiv i64 %a0, %a1 ret i64 %div } define i64 @d1(i64 %a0, i64 %a1) nounwind readnone { entry: -; CHECK: ddiv -; CHECK: mflo +; ALL-LABEL: d1: +; ACC: ddiv $zero, $4, $5 +; ACC: mflo $2 +; GPR: ddiv $2, $4, $5 %div = sdiv i64 %a0, %a1 ret i64 %div } define i64 @d2(i64 %a0, i64 %a1) nounwind readnone { entry: -; CHECK: ddivu -; CHECK: mfhi +; ALL-LABEL: d2: +; ACC: ddivu $zero, $4, $5 +; ACC: mfhi $2 +; GPR: dmodu $2, $4, $5 %rem = urem i64 %a0, %a1 ret i64 %rem } define i64 @d3(i64 %a0, i64 %a1) nounwind readnone { entry: -; CHECK: ddiv -; CHECK: mfhi +; ALL-LABEL: d3: +; ACC: ddiv $zero, $4, $5 +; ACC: mfhi $2 +; GPR: dmod $2, $4, $5 %rem = srem i64 %a0, %a1 ret i64 %rem } |