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[InstCombine] Add vector urem tests. 

Improve coverage of InstCombiner::visitURem for vector types

llvm-svn: 324629
This commit is contained in:
Simon Pilgrim 2018-02-08 18:10:08 +00:00
parent 4347227437
commit 11a02589c1
1 changed files with 54 additions and 0 deletions
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54
llvm/test/Transforms/InstCombine/vector-urem.ll
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@ -19,3 +19,57 @@ define <4 x i32> @test_v4i32_const_pow2(<4 x i32> %a0) {
ret <4 x i32> %1
}
define <4 x i32> @test_v4i32_const_pow2_undef(<4 x i32> %a0) {
; CHECK-LABEL: @test_v4i32_const_pow2_undef(
; CHECK-NEXT: ret <4 x i32> undef
;
%1 = urem <4 x i32> %a0, <i32 1, i32 2, i32 4, i32 undef>
ret <4 x i32> %1
}
define <4 x i32> @test_v4i32_one(<4 x i32> %a0) {
; CHECK-LABEL: @test_v4i32_one(
; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <4 x i32> [[A0:%.*]], <i32 1, i32 1, i32 1, i32 1>
; CHECK-NEXT: [[TMP2:%.*]] = zext <4 x i1> [[TMP1]] to <4 x i32>
; CHECK-NEXT: ret <4 x i32> [[TMP2]]
;
%1 = urem <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %a0
ret <4 x i32> %1
}
define <4 x i32> @test_v4i32_one_undef(<4 x i32> %a0) {
; CHECK-LABEL: @test_v4i32_one_undef(
; CHECK-NEXT: [[TMP1:%.*]] = urem <4 x i32> <i32 1, i32 1, i32 1, i32 undef>, [[A0:%.*]]
; CHECK-NEXT: ret <4 x i32> [[TMP1]]
;
%1 = urem <4 x i32> <i32 1, i32 1, i32 1, i32 undef>, %a0
ret <4 x i32> %1
}
define <4 x i32> @test_v4i32_negconstsplat(<4 x i32> %a0) {
; CHECK-LABEL: @test_v4i32_negconstsplat(
; CHECK-NEXT: [[TMP1:%.*]] = icmp ult <4 x i32> [[A0:%.*]], <i32 -3, i32 -3, i32 -3, i32 -3>
; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i32> [[A0]], <i32 3, i32 3, i32 3, i32 3>
; CHECK-NEXT: [[TMP3:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[A0]], <4 x i32> [[TMP2]]
; CHECK-NEXT: ret <4 x i32> [[TMP3]]
;
%1 = urem <4 x i32> %a0, <i32 -3, i32 -3, i32 -3, i32 -3>
ret <4 x i32> %1
}
define <4 x i32> @test_v4i32_negconst(<4 x i32> %a0) {
; CHECK-LABEL: @test_v4i32_negconst(
; CHECK-NEXT: [[TMP1:%.*]] = urem <4 x i32> [[A0:%.*]], <i32 -3, i32 -5, i32 -7, i32 -9>
; CHECK-NEXT: ret <4 x i32> [[TMP1]]
;
%1 = urem <4 x i32> %a0, <i32 -3, i32 -5, i32 -7, i32 -9>
ret <4 x i32> %1
}
define <4 x i32> @test_v4i32_negconst_undef(<4 x i32> %a0) {
; CHECK-LABEL: @test_v4i32_negconst_undef(
; CHECK-NEXT: ret <4 x i32> undef
;
%1 = urem <4 x i32> %a0, <i32 -3, i32 -5, i32 -7, i32 undef>
ret <4 x i32> %1
}