diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/atom-bypass-slow-division-64.ll | 46 | ||||
| -rw-r--r-- | test/CodeGen/X86/atom-bypass-slow-division.ll | 2 |
2 files changed, 47 insertions, 1 deletions
diff --git a/test/CodeGen/X86/atom-bypass-slow-division-64.ll b/test/CodeGen/X86/atom-bypass-slow-division-64.ll new file mode 100644 index 0000000..a3bbea3 --- /dev/null +++ b/test/CodeGen/X86/atom-bypass-slow-division-64.ll @@ -0,0 +1,46 @@ +; RUN: llc < %s -mcpu=atom -mtriple=i686-linux -march=x86-64 | FileCheck %s + +; Additional tests for 64-bit divide bypass + +define i64 @Test_get_quotient(i64 %a, i64 %b) nounwind { +; CHECK: Test_get_quotient: +; CHECK: orq %rsi, %rcx +; CHECK-NEXT: testq $-65536, %rcx +; CHECK-NEXT: je +; CHECK: idivq +; CHECK: ret +; CHECK: divw +; CHECK: ret + %result = sdiv i64 %a, %b + ret i64 %result +} + +define i64 @Test_get_remainder(i64 %a, i64 %b) nounwind { +; CHECK: Test_get_remainder: +; CHECK: orq %rsi, %rcx +; CHECK-NEXT: testq $-65536, %rcx +; CHECK-NEXT: je +; CHECK: idivq +; CHECK: ret +; CHECK: divw +; CHECK: ret + %result = srem i64 %a, %b + ret i64 %result +} + +define i64 @Test_get_quotient_and_remainder(i64 %a, i64 %b) nounwind { +; CHECK: Test_get_quotient_and_remainder: +; CHECK: orq %rsi, %rcx +; CHECK-NEXT: testq $-65536, %rcx +; CHECK-NEXT: je +; CHECK: idivq +; CHECK: divw +; CHECK: addq +; CHECK: ret +; CHECK-NOT: idivq +; CHECK-NOT: divw + %resultdiv = sdiv i64 %a, %b + %resultrem = srem i64 %a, %b + %result = add i64 %resultdiv, %resultrem + ret i64 %result +} diff --git a/test/CodeGen/X86/atom-bypass-slow-division.ll b/test/CodeGen/X86/atom-bypass-slow-division.ll index 453e726..4612940 100644 --- a/test/CodeGen/X86/atom-bypass-slow-division.ll +++ b/test/CodeGen/X86/atom-bypass-slow-division.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s +; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s define i32 @Test_get_quotient(i32 %a, i32 %b) nounwind { ; CHECK: Test_get_quotient: |