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111 lines
4.5 KiB
LLVM
111 lines
4.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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declare i5 @llvm.smin.i5(i5, i5)
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declare <2 x i8> @llvm.smax.v2i8(<2 x i8>, <2 x i8>)
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declare i5 @llvm.umin.i5(i5, i5)
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declare <3 x i5> @llvm.umax.v3i5(<3 x i5>, <3 x i5>)
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define i5 @smin_smin_common_op_00(i1 %cond, i5 %x, i5 %y, i5 %z) {
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; CHECK-LABEL: @smin_smin_common_op_00(
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; CHECK-NEXT: [[MINMAXOP:%.*]] = select i1 [[COND:%.*]], i5 [[X:%.*]], i5 [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = call i5 @llvm.smin.i5(i5 [[MINMAXOP]], i5 [[Z:%.*]])
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; CHECK-NEXT: ret i5 [[SEL]]
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;
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%m1 = call i5 @llvm.smin.i5(i5 %z, i5 %x)
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%m2 = call i5 @llvm.smin.i5(i5 %z, i5 %y)
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%sel = select i1 %cond, i5 %m1, i5 %m2
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ret i5 %sel
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}
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define <2 x i8> @smax_smax_common_op_01(<2 x i1> %cond, <2 x i8> %x, <2 x i8> %y, <2 x i8> %z) {
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; CHECK-LABEL: @smax_smax_common_op_01(
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; CHECK-NEXT: [[MINMAXOP:%.*]] = select <2 x i1> [[COND:%.*]], <2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = call <2 x i8> @llvm.smax.v2i8(<2 x i8> [[MINMAXOP]], <2 x i8> [[Z:%.*]])
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; CHECK-NEXT: ret <2 x i8> [[SEL]]
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;
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%m1 = call <2 x i8> @llvm.smax.v2i8(<2 x i8> %z, <2 x i8> %x)
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%m2 = call <2 x i8> @llvm.smax.v2i8(<2 x i8> %y, <2 x i8> %z)
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%sel = select <2 x i1> %cond, <2 x i8> %m1, <2 x i8> %m2
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ret <2 x i8> %sel
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}
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define i5 @umin_umin_common_op_10(i1 %cond, i5 %x, i5 %y, i5 %z, i5* %p) {
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; CHECK-LABEL: @umin_umin_common_op_10(
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; CHECK-NEXT: [[M1:%.*]] = call i5 @llvm.umin.i5(i5 [[X:%.*]], i5 [[Z:%.*]])
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; CHECK-NEXT: store i5 [[M1]], i5* [[P:%.*]], align 1
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; CHECK-NEXT: [[MINMAXOP:%.*]] = select i1 [[COND:%.*]], i5 [[X]], i5 [[Y:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = call i5 @llvm.umin.i5(i5 [[MINMAXOP]], i5 [[Z]])
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; CHECK-NEXT: ret i5 [[SEL]]
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;
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%m1 = call i5 @llvm.umin.i5(i5 %x, i5 %z)
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store i5 %m1, i5* %p
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%m2 = call i5 @llvm.umin.i5(i5 %z, i5 %y)
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%sel = select i1 %cond, i5 %m1, i5 %m2
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ret i5 %sel
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}
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define <3 x i5> @umax_umax_common_op_11(i1 %cond, <3 x i5> %x, <3 x i5> %y, <3 x i5> %z, <3 x i5>* %p) {
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; CHECK-LABEL: @umax_umax_common_op_11(
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; CHECK-NEXT: [[M2:%.*]] = call <3 x i5> @llvm.umax.v3i5(<3 x i5> [[Y:%.*]], <3 x i5> [[Z:%.*]])
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; CHECK-NEXT: store <3 x i5> [[M2]], <3 x i5>* [[P:%.*]], align 4
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; CHECK-NEXT: [[MINMAXOP:%.*]] = select i1 [[COND:%.*]], <3 x i5> [[X:%.*]], <3 x i5> [[Y]]
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; CHECK-NEXT: [[SEL:%.*]] = call <3 x i5> @llvm.umax.v3i5(<3 x i5> [[MINMAXOP]], <3 x i5> [[Z]])
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; CHECK-NEXT: ret <3 x i5> [[SEL]]
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;
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%m1 = call <3 x i5> @llvm.umax.v3i5(<3 x i5> %x, <3 x i5> %z)
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%m2 = call <3 x i5> @llvm.umax.v3i5(<3 x i5> %y, <3 x i5> %z)
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store <3 x i5> %m2, <3 x i5>* %p
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%sel = select i1 %cond, <3 x i5> %m1, <3 x i5> %m2
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ret <3 x i5> %sel
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}
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; negative test - intrinsic mismatch
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define i5 @smin_umin_common_op_11(i1 %cond, i5 %x, i5 %y, i5 %z) {
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; CHECK-LABEL: @smin_umin_common_op_11(
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; CHECK-NEXT: [[M1:%.*]] = call i5 @llvm.smin.i5(i5 [[X:%.*]], i5 [[Z:%.*]])
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; CHECK-NEXT: [[M2:%.*]] = call i5 @llvm.umin.i5(i5 [[Y:%.*]], i5 [[Z]])
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], i5 [[M1]], i5 [[M2]]
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; CHECK-NEXT: ret i5 [[SEL]]
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;
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%m1 = call i5 @llvm.smin.i5(i5 %x, i5 %z)
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%m2 = call i5 @llvm.umin.i5(i5 %y, i5 %z)
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%sel = select i1 %cond, i5 %m1, i5 %m2
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ret i5 %sel
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}
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; negative test - require shared operand
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define i5 @smin_smin_no_common_op(i1 %cond, i5 %x, i5 %y, i5 %z, i5 %w) {
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; CHECK-LABEL: @smin_smin_no_common_op(
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; CHECK-NEXT: [[M1:%.*]] = call i5 @llvm.smin.i5(i5 [[Z:%.*]], i5 [[X:%.*]])
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; CHECK-NEXT: [[M2:%.*]] = call i5 @llvm.smin.i5(i5 [[W:%.*]], i5 [[Y:%.*]])
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], i5 [[M1]], i5 [[M2]]
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; CHECK-NEXT: ret i5 [[SEL]]
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;
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%m1 = call i5 @llvm.smin.i5(i5 %z, i5 %x)
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%m2 = call i5 @llvm.smin.i5(i5 %w, i5 %y)
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%sel = select i1 %cond, i5 %m1, i5 %m2
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ret i5 %sel
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}
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; negative test - too many uses
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define i5 @umin_umin_common_op_10_uses(i1 %cond, i5 %x, i5 %y, i5 %z, i5* %p1, i5* %p2) {
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; CHECK-LABEL: @umin_umin_common_op_10_uses(
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; CHECK-NEXT: [[M1:%.*]] = call i5 @llvm.umin.i5(i5 [[X:%.*]], i5 [[Z:%.*]])
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; CHECK-NEXT: store i5 [[M1]], i5* [[P1:%.*]], align 1
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; CHECK-NEXT: [[M2:%.*]] = call i5 @llvm.umin.i5(i5 [[Z]], i5 [[Y:%.*]])
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; CHECK-NEXT: store i5 [[M2]], i5* [[P2:%.*]], align 1
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[COND:%.*]], i5 [[M1]], i5 [[M2]]
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; CHECK-NEXT: ret i5 [[SEL]]
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;
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%m1 = call i5 @llvm.umin.i5(i5 %x, i5 %z)
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store i5 %m1, i5* %p1
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%m2 = call i5 @llvm.umin.i5(i5 %z, i5 %y)
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store i5 %m2, i5* %p2
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%sel = select i1 %cond, i5 %m1, i5 %m2
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ret i5 %sel
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}
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