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llvm-mirror/test/Transforms/InstCombine/2008-01-13-AndCmpCmp.ll
Nikita Popov 302c879f6c [InstCombine] Duplicate tests for logical and/or (NFC)
This replicates existing and/or tests to also test variants using
select. This should help us get a more accurate view on which
optimizations we're missing if we disable the select -> and/or
fold.
2021-01-12 21:50:41 +01:00

31 lines
1.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; PR1907
define i1 @test(i32 %c84.17) {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[TMP2696:%.*]] = icmp ne i32 [[C84_17:%.*]], 34
; CHECK-NEXT: [[TMP2699:%.*]] = icmp sgt i32 [[C84_17]], -1
; CHECK-NEXT: [[TMP2703:%.*]] = and i1 [[TMP2696]], [[TMP2699]]
; CHECK-NEXT: ret i1 [[TMP2703]]
;
%tmp2696 = icmp ne i32 %c84.17, 34 ; <i1> [#uses=2]
%tmp2699 = icmp sgt i32 %c84.17, -1 ; <i1> [#uses=1]
%tmp2703 = and i1 %tmp2696, %tmp2699 ; <i1> [#uses=1]
ret i1 %tmp2703
}
define i1 @test_logical(i32 %c84.17) {
; CHECK-LABEL: @test_logical(
; CHECK-NEXT: [[TMP2696:%.*]] = icmp ne i32 [[C84_17:%.*]], 34
; CHECK-NEXT: [[TMP2699:%.*]] = icmp sgt i32 [[C84_17]], -1
; CHECK-NEXT: [[TMP2703:%.*]] = and i1 [[TMP2696]], [[TMP2699]]
; CHECK-NEXT: ret i1 [[TMP2703]]
;
%tmp2696 = icmp ne i32 %c84.17, 34
%tmp2699 = icmp sgt i32 %c84.17, -1
%tmp2703 = select i1 %tmp2696, i1 %tmp2699, i1 false
ret i1 %tmp2703
}