a9ab8a019e
This change uses the untyped variant of `selp.` in all integer cases to simplify the ISel TableGen logic. It is not expected to have any impact on the final SASS.
36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_20 | FileCheck %s --check-prefixes=COMMON,NOCARRY
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; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_20 -mattr=+ptx43 | FileCheck %s --check-prefixes=COMMON,CARRY
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; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_20 | %ptxas-verify %}
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
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; COMMON-LABEL: test_add
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define i128 @test_add(i128 %a, i128 %b) {
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; NOCARRY: add.s64
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; NOCARRY-NEXT: add.s64
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; NOCARRY-NEXT: setp.lt.u64
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; NOCARRY-NEXT: selp.b64
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; NOCARRY-NEXT: add.s64
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; CARRY: add.cc.s64
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; CARRY-NEXT: addc.cc.s64
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%1 = add i128 %a, %b
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ret i128 %1
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}
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; COMMON-LABEL: test_sub
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define i128 @test_sub(i128 %a, i128 %b) {
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; NOCARRY: sub.s64
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; NOCARRY-NEXT: setp.lt.u64
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; NOCARRY-NEXT: selp.b64
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; NOCARRY-NEXT: add.s64
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; NOCARRY-NEXT: sub.s64
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; CARRY: sub.cc.s64
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; CARRY-NEXT: subc.cc.s64
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%1 = sub i128 %a, %b
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ret i128 %1
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}
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