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llvm-mirror/test/CodeGen/X86/lround-conv-i32.ll

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[CodeGen] Add lround/llround builtins This patch add the ISD::LROUND and ISD::LLROUND along with new intrinsics. The changes are straightforward as for other floating-point rounding functions, with just some adjustments required to handle the return value being an interger. The idea is to optimize lround/llround generation for AArch64 in a subsequent patch. Current semantic is just route it to libm symbol. llvm-svn: 360889
2019-05-16 15:15:27 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
[CodeGen][X86] Remove unused trivial check-prefixes from all CodeGen/X86 directory. I had manually removed unused prefixes from CodeGen/X86 directory for more than 100 tests. I checked the change history for each of them at the beginning, and then I mainly focused on the format since I found all of the unused prefixes were result from either insensible copy or residuum after functional update. I think it's OK to remove the remaining X86 tests by script now. I wrote a rough script which works for me in most tests. I put it in llvm/utils temporarily for review and hope it may help other components owners. The tests in this patch are all generated by the tool and checked by update tool for the autogenerated tests. I skimmed them and checked about 30 tests and didn't find any unexpected changes. Reviewed By: mtrofin, MaskRay Differential Revision: https://reviews.llvm.org/D91496
2020-11-16 02:44:06 +01:00
; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s
; RUN: llc < %s -mtriple=i686-unknown -mattr=sse2 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s
[CodeGen] Add lround/llround builtins This patch add the ISD::LROUND and ISD::LLROUND along with new intrinsics. The changes are straightforward as for other floating-point rounding functions, with just some adjustments required to handle the return value being an interger. The idea is to optimize lround/llround generation for AArch64 in a subsequent patch. Current semantic is just route it to libm symbol. llvm-svn: 360889
2019-05-16 15:15:27 +02:00
[X86] Cleanup the lrint/llrint/lround/llround tests a bit. We don't need tests for truncating the result. There's nothing special about those truncates. We can test llrint/llround for 64-bit and 32-bit targets in the same file. Same with lrint/lround with i32 result result. lrint/lround with 64-bit result should only occur on a 64-bit target. Add some missing tests for f80 conversions.
2020-02-02 19:24:35 +01:00
define i32 @testmsws(float %x) {
; CHECK-LABEL: testmsws:
[CodeGen] Add lround/llround builtins This patch add the ISD::LROUND and ISD::LLROUND along with new intrinsics. The changes are straightforward as for other floating-point rounding functions, with just some adjustments required to handle the return value being an interger. The idea is to optimize lround/llround generation for AArch64 in a subsequent patch. Current semantic is just route it to libm symbol. llvm-svn: 360889
2019-05-16 15:15:27 +02:00
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: jmp lroundf # TAILCALL
entry:
%0 = tail call i32 @llvm.lround.i32.f32(float %x)
ret i32 %0
}
[X86] Cleanup the lrint/llrint/lround/llround tests a bit. We don't need tests for truncating the result. There's nothing special about those truncates. We can test llrint/llround for 64-bit and 32-bit targets in the same file. Same with lrint/lround with i32 result result. lrint/lround with 64-bit result should only occur on a 64-bit target. Add some missing tests for f80 conversions.
2020-02-02 19:24:35 +01:00
define i32 @testmswd(double %x) {
; CHECK-LABEL: testmswd:
[CodeGen] Add lround/llround builtins This patch add the ISD::LROUND and ISD::LLROUND along with new intrinsics. The changes are straightforward as for other floating-point rounding functions, with just some adjustments required to handle the return value being an interger. The idea is to optimize lround/llround generation for AArch64 in a subsequent patch. Current semantic is just route it to libm symbol. llvm-svn: 360889
2019-05-16 15:15:27 +02:00
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: jmp lround # TAILCALL
entry:
%0 = tail call i32 @llvm.lround.i32.f64(double %x)
ret i32 %0
}
[X86] Cleanup the lrint/llrint/lround/llround tests a bit. We don't need tests for truncating the result. There's nothing special about those truncates. We can test llrint/llround for 64-bit and 32-bit targets in the same file. Same with lrint/lround with i32 result result. lrint/lround with 64-bit result should only occur on a 64-bit target. Add some missing tests for f80 conversions.
2020-02-02 19:24:35 +01:00
define i32 @testmsll(x86_fp80 %x) {
; CHECK-LABEL: testmsll:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: jmp lroundl # TAILCALL
entry:
%0 = tail call i32 @llvm.lround.i32.f80(x86_fp80 %x)
ret i32 %0
}
[CodeGen] Add lround/llround builtins This patch add the ISD::LROUND and ISD::LLROUND along with new intrinsics. The changes are straightforward as for other floating-point rounding functions, with just some adjustments required to handle the return value being an interger. The idea is to optimize lround/llround generation for AArch64 in a subsequent patch. Current semantic is just route it to libm symbol. llvm-svn: 360889
2019-05-16 15:15:27 +02:00
declare i32 @llvm.lround.i32.f32(float) nounwind readnone
declare i32 @llvm.lround.i32.f64(double) nounwind readnone
[X86] Cleanup the lrint/llrint/lround/llround tests a bit. We don't need tests for truncating the result. There's nothing special about those truncates. We can test llrint/llround for 64-bit and 32-bit targets in the same file. Same with lrint/lround with i32 result result. lrint/lround with 64-bit result should only occur on a 64-bit target. Add some missing tests for f80 conversions.
2020-02-02 19:24:35 +01:00
declare i32 @llvm.lround.i32.f80(x86_fp80) nounwind readnone
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