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[InstCombine] add test for min/max intrinsic reassociation; NFC 

D119851
This commit is contained in:
Sanjay Patel 2022-02-16 08:26:16 -05:00
parent d03d3d7966
commit 483ae099f0
1 changed files with 13 additions and 0 deletions
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13
llvm/test/Transforms/InstCombine/minmax-intrinsics.ll
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@ -2270,6 +2270,19 @@ define i8 @smax_smax_smax_reassoc_constants(i8 %x, i8 %y) {
ret i8 %m3
}
define i8 @smax_smax_smax_reassoc_constants_swap(i8 %x, i8 %y) {
; CHECK-LABEL: @smax_smax_smax_reassoc_constants_swap(
; CHECK-NEXT: [[M1:%.*]] = call i8 @llvm.smax.i8(i8 [[X:%.*]], i8 42)
; CHECK-NEXT: [[M2:%.*]] = call i8 @llvm.smax.i8(i8 [[M1]], i8 [[Y:%.*]])
; CHECK-NEXT: [[M3:%.*]] = call i8 @llvm.smax.i8(i8 [[M2]], i8 126)
; CHECK-NEXT: ret i8 [[M3]]
;
%m1 = call i8 @llvm.smax.i8(i8 %x, i8 42)
%m2 = call i8 @llvm.smax.i8(i8 %m1, i8 %y)
%m3 = call i8 @llvm.smax.i8(i8 %m2, i8 126)
ret i8 %m3
}
define i8 @smin_smin_smin_reassoc_constants(i8 %x, i8 %y) {
; CHECK-LABEL: @smin_smin_smin_reassoc_constants(
; CHECK-NEXT: [[M1:%.*]] = call i8 @llvm.smin.i8(i8 [[X:%.*]], i8 42)