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5f1a076325
For unsigned compares, zext should be a no-op and we can add the extended value to the constraint system.
290 lines
9.5 KiB
LLVM
290 lines
9.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -constraint-elimination -S %s | FileCheck %s
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declare void @use(i1)
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define void @uge_zext(i16 %x, i32 %y) {
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; CHECK-LABEL: @uge_zext(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[X_EXT:%.*]] = zext i16 [[X:%.*]] to i32
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; CHECK-NEXT: [[C_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[C_2:%.*]] = icmp uge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_3:%.*]] = icmp uge i32 [[Y]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp uge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_2:%.*]] = icmp uge i32 [[Y]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[F_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y]]
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp uge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp uge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%x.ext = zext i16 %x to i32
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%c.1 = icmp uge i32 %x.ext, %y
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp uge i32 %x.ext, %y
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call void @use(i1 %t.1)
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%c.2 = icmp uge i32 %x.ext, 10
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call void @use(i1 %c.2)
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%c.3 = icmp uge i32 %y, %x.ext
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call void @use(i1 %c.3)
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%c.4 = icmp uge i32 10, %x.ext
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.2 = icmp uge i32 %y, %x.ext
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call void @use(i1 %t.2)
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%f.1 = icmp uge i32 %x.ext, %y
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call void @use(i1 %f.1)
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%c.5 = icmp uge i32 %x.ext, 10
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call void @use(i1 %c.5)
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%c.6 = icmp uge i32 10, %x.ext
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call void @use(i1 %c.6)
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ret void
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}
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define void @uge_compare_short_and_extended(i16 %x, i16 %y) {
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; CHECK-LABEL: @uge_compare_short_and_extended(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp uge i16 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[X_EXT:%.*]] = zext i16 [[X]] to i32
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; CHECK-NEXT: [[Y_EXT:%.*]] = zext i16 [[Y]] to i32
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y_EXT]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[C_2:%.*]] = icmp uge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_3:%.*]] = icmp sge i32 [[Y_EXT]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp uge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_2:%.*]] = icmp uge i32 [[Y_EXT]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[F_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y_EXT]]
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp uge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp uge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%c.1 = icmp uge i16 %x, %y
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%x.ext = zext i16 %x to i32
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%y.ext = zext i16 %y to i32
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp uge i32 %x.ext, %y.ext
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call void @use(i1 %t.1)
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%c.2 = icmp uge i32 %x.ext, 10
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call void @use(i1 %c.2)
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%c.3 = icmp sge i32 %y.ext, %x.ext
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call void @use(i1 %c.3)
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%c.4 = icmp uge i32 10, %x.ext
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.2 = icmp uge i32 %y.ext, %x.ext
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call void @use(i1 %t.2)
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%f.1 = icmp uge i32 %x.ext, %y.ext
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call void @use(i1 %f.1)
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%c.5 = icmp uge i32 %x.ext, 10
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call void @use(i1 %c.5)
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%c.6 = icmp uge i32 10, %x.ext
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call void @use(i1 %c.6)
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ret void
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}
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define void @uge_zext_add(i16 %x, i32 %y) {
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; CHECK-LABEL: @uge_zext_add(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[X_ADD_1:%.*]] = add nuw nsw i16 [[X:%.*]], 1
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; CHECK-NEXT: [[X_ADD_1_EXT:%.*]] = zext i16 [[X_ADD_1]] to i32
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; CHECK-NEXT: [[X_EXT:%.*]] = zext i16 [[X]] to i32
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; CHECK-NEXT: [[C_1:%.*]] = icmp uge i32 [[X_ADD_1_EXT]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y]]
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; CHECK-NEXT: call void @use(i1 [[T_1]])
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; CHECK-NEXT: [[C_2:%.*]] = icmp uge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_3:%.*]] = icmp uge i32 [[Y]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp uge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_2:%.*]] = icmp uge i32 [[Y]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[F_1:%.*]] = icmp uge i32 [[X_EXT]], [[Y]]
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; CHECK-NEXT: call void @use(i1 false)
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; CHECK-NEXT: [[C_5:%.*]] = icmp uge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp uge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%x.add.1 = add nuw nsw i16 %x, 1
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%x.add.1.ext = zext i16 %x.add.1 to i32
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%x.ext = zext i16 %x to i32
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%c.1 = icmp uge i32 %x.add.1.ext, %y
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp uge i32 %x.ext, %y
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call void @use(i1 %t.1)
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%c.2 = icmp uge i32 %x.ext, 10
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call void @use(i1 %c.2)
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%c.3 = icmp uge i32 %y, %x.ext
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call void @use(i1 %c.3)
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%c.4 = icmp uge i32 10, %x.ext
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.2 = icmp uge i32 %y, %x.ext
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call void @use(i1 %t.2)
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%f.1 = icmp uge i32 %x.ext, %y
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call void @use(i1 %f.1)
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%c.5 = icmp uge i32 %x.ext, 10
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call void @use(i1 %c.5)
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%c.6 = icmp uge i32 10, %x.ext
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call void @use(i1 %c.6)
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ret void
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}
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define void @sge_zext(i16 %x, i32 %y) {
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; CHECK-LABEL: @sge_zext(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[X_EXT:%.*]] = zext i16 [[X:%.*]] to i32
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; CHECK-NEXT: [[C_1:%.*]] = icmp sge i32 [[X_EXT]], [[Y:%.*]]
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp sge i32 [[X_EXT]], [[Y]]
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; CHECK-NEXT: call void @use(i1 [[T_1]])
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; CHECK-NEXT: [[C_2:%.*]] = icmp sge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_3:%.*]] = icmp sge i32 [[Y]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp sge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_2:%.*]] = icmp sge i32 [[Y]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[T_2]])
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; CHECK-NEXT: [[F_1:%.*]] = icmp sge i32 [[X_EXT]], [[Y]]
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; CHECK-NEXT: call void @use(i1 [[F_1]])
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; CHECK-NEXT: [[C_5:%.*]] = icmp sge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp sge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%x.ext = zext i16 %x to i32
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%c.1 = icmp sge i32 %x.ext, %y
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp sge i32 %x.ext, %y
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call void @use(i1 %t.1)
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%c.2 = icmp sge i32 %x.ext, 10
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call void @use(i1 %c.2)
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%c.3 = icmp sge i32 %y, %x.ext
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call void @use(i1 %c.3)
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%c.4 = icmp sge i32 10, %x.ext
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.2 = icmp sge i32 %y, %x.ext
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call void @use(i1 %t.2)
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%f.1 = icmp sge i32 %x.ext, %y
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call void @use(i1 %f.1)
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%c.5 = icmp sge i32 %x.ext, 10
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call void @use(i1 %c.5)
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%c.6 = icmp sge i32 10, %x.ext
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call void @use(i1 %c.6)
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ret void
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}
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define void @sge_compare_short_and_extended(i16 %x, i16 %y) {
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; CHECK-LABEL: @sge_compare_short_and_extended(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[C_1:%.*]] = icmp sge i16 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: [[X_EXT:%.*]] = zext i16 [[X]] to i32
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; CHECK-NEXT: [[Y_EXT:%.*]] = zext i16 [[Y]] to i32
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; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: [[T_1:%.*]] = icmp sge i32 [[X_EXT]], [[Y_EXT]]
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; CHECK-NEXT: call void @use(i1 [[T_1]])
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; CHECK-NEXT: [[C_2:%.*]] = icmp sge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_2]])
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; CHECK-NEXT: [[C_3:%.*]] = icmp sge i32 [[Y_EXT]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_3]])
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; CHECK-NEXT: [[C_4:%.*]] = icmp sge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_4]])
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; CHECK-NEXT: ret void
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; CHECK: bb2:
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; CHECK-NEXT: [[T_2:%.*]] = icmp sge i32 [[Y_EXT]], [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[T_2]])
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; CHECK-NEXT: [[F_1:%.*]] = icmp sge i32 [[X_EXT]], [[Y_EXT]]
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; CHECK-NEXT: call void @use(i1 [[F_1]])
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; CHECK-NEXT: [[C_5:%.*]] = icmp sge i32 [[X_EXT]], 10
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; CHECK-NEXT: call void @use(i1 [[C_5]])
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; CHECK-NEXT: [[C_6:%.*]] = icmp sge i32 10, [[X_EXT]]
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; CHECK-NEXT: call void @use(i1 [[C_6]])
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; CHECK-NEXT: ret void
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;
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entry:
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%c.1 = icmp sge i16 %x, %y
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%x.ext = zext i16 %x to i32
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%y.ext = zext i16 %y to i32
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br i1 %c.1, label %bb1, label %bb2
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bb1:
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%t.1 = icmp sge i32 %x.ext, %y.ext
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call void @use(i1 %t.1)
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%c.2 = icmp sge i32 %x.ext, 10
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call void @use(i1 %c.2)
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%c.3 = icmp sge i32 %y.ext, %x.ext
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call void @use(i1 %c.3)
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%c.4 = icmp sge i32 10, %x.ext
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call void @use(i1 %c.4)
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ret void
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bb2:
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%t.2 = icmp sge i32 %y.ext, %x.ext
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call void @use(i1 %t.2)
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%f.1 = icmp sge i32 %x.ext, %y.ext
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call void @use(i1 %f.1)
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%c.5 = icmp sge i32 %x.ext, 10
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call void @use(i1 %c.5)
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%c.6 = icmp sge i32 10, %x.ext
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call void @use(i1 %c.6)
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ret void
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}
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