diff --git a/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp b/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
index 449e50f07c4..f93b099c86e 100644
--- a/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
+++ b/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
@@ -697,6 +697,9 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
           {{s8, v16s8}, {s16, v8s16}, {s32, v4s32}, {s32, v2s32}, {s64, v2s64}})
       .lower();
 
+  getActionDefinitionsBuilder({G_UADDSAT, G_USUBSAT})
+      .lowerIf([=](const LegalityQuery &Q) { return Q.Types[0].isScalar(); });
+
   computeTables();
   verify(*ST.getInstrInfo());
 }
diff --git a/test/CodeGen/AArch64/GlobalISel/legalize-uadd-sat.mir b/test/CodeGen/AArch64/GlobalISel/legalize-uadd-sat.mir
new file mode 100644
index 00000000000..1fa2a3a4a8e
--- /dev/null
+++ b/test/CodeGen/AArch64/GlobalISel/legalize-uadd-sat.mir
@@ -0,0 +1,182 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -O0 -march=aarch64 -run-pass=legalizer -global-isel-abort=1 %s -o - | FileCheck %s
+---
+name:            func
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[UADDO:%[0-9]+]]:_(s32), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[COPY]], [[COPY1]]
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[UADDO1]](s1), [[C]], [[UADDO]]
+    ; CHECK: $w0 = COPY [[SELECT]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %0:_(s32) = COPY $w0
+    %1:_(s32) = COPY $w1
+    %2:_(s32) = G_UADDSAT %0, %1
+    $w0 = COPY %2(s32)
+    RET_ReallyLR implicit $w0
+
+...
+---
+name:            func2
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$x0' }
+  - { reg: '$x1' }
+body:             |
+  bb.1:
+    liveins: $x0, $x1
+
+    ; CHECK-LABEL: name: func2
+    ; CHECK: liveins: $x0, $x1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
+    ; CHECK: [[UADDO:%[0-9]+]]:_(s64), [[UADDO1:%[0-9]+]]:_(s1) = G_UADDO [[COPY]], [[COPY1]]
+    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[UADDO1]](s1), [[C]], [[UADDO]]
+    ; CHECK: $x0 = COPY [[SELECT]](s64)
+    ; CHECK: RET_ReallyLR implicit $x0
+    %0:_(s64) = COPY $x0
+    %1:_(s64) = COPY $x1
+    %2:_(s64) = G_UADDSAT %0, %1
+    $x0 = COPY %2(s64)
+    RET_ReallyLR implicit $x0
+
+...
+---
+name:            func16
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func16
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C]]
+    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
+    ; CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[AND]], [[AND1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[ADD]](s32)
+    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
+    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[ADD]](s32), [[AND2]]
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32)
+    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
+    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[ADD]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[C1]], [[COPY5]]
+    ; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
+    ; CHECK: $w0 = COPY [[COPY6]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %2:_(s32) = COPY $w0
+    %0:_(s16) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $w1
+    %1:_(s16) = G_TRUNC %3(s32)
+    %4:_(s16) = G_UADDSAT %0, %1
+    %5:_(s32) = G_ANYEXT %4(s16)
+    $w0 = COPY %5(s32)
+    RET_ReallyLR implicit $w0
+
+...
+---
+name:            func8
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func8
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C]]
+    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
+    ; CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[AND]], [[AND1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[ADD]](s32)
+    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
+    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[ADD]](s32), [[AND2]]
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32)
+    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
+    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[ADD]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[C1]], [[COPY5]]
+    ; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
+    ; CHECK: $w0 = COPY [[COPY6]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %2:_(s32) = COPY $w0
+    %0:_(s8) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $w1
+    %1:_(s8) = G_TRUNC %3(s32)
+    %4:_(s8) = G_UADDSAT %0, %1
+    %5:_(s32) = G_ANYEXT %4(s8)
+    $w0 = COPY %5(s32)
+    RET_ReallyLR implicit $w0
+
+...
+---
+name:            func3
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+frameInfo:
+  maxAlignment:    1
+machineFunctionInfo: {}
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func3
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
+    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C]]
+    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
+    ; CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[AND]], [[AND1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[ADD]](s32)
+    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
+    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[ADD]](s32), [[AND2]]
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32)
+    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[C]](s32)
+    ; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[ADD]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[COPY5]], [[COPY6]]
+    ; CHECK: [[COPY7:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
+    ; CHECK: $w0 = COPY [[COPY7]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %2:_(s32) = COPY $w0
+    %0:_(s4) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $w1
+    %1:_(s4) = G_TRUNC %3(s32)
+    %4:_(s4) = G_UADDSAT %0, %1
+    %5:_(s32) = G_ANYEXT %4(s4)
+    $w0 = COPY %5(s32)
+    RET_ReallyLR implicit $w0
+
+...
diff --git a/test/CodeGen/AArch64/GlobalISel/legalize-usub-sat.mir b/test/CodeGen/AArch64/GlobalISel/legalize-usub-sat.mir
new file mode 100644
index 00000000000..37f4a0e658b
--- /dev/null
+++ b/test/CodeGen/AArch64/GlobalISel/legalize-usub-sat.mir
@@ -0,0 +1,179 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -O0 -march=aarch64 -run-pass=legalizer -global-isel-abort=1 %s -o - | FileCheck %s
+---
+name:            func
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[USUBO:%[0-9]+]]:_(s32), [[USUBO1:%[0-9]+]]:_(s1) = G_USUBO [[COPY]], [[COPY1]]
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[USUBO1]](s1), [[C]], [[USUBO]]
+    ; CHECK: $w0 = COPY [[SELECT]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %0:_(s32) = COPY $w0
+    %1:_(s32) = COPY $w1
+    %2:_(s32) = G_USUBSAT %0, %1
+    $w0 = COPY %2(s32)
+    RET_ReallyLR implicit $w0
+
+...
+---
+name:            func2
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$x0' }
+  - { reg: '$x1' }
+body:             |
+  bb.1:
+    liveins: $x0, $x1
+
+    ; CHECK-LABEL: name: func2
+    ; CHECK: liveins: $x0, $x1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
+    ; CHECK: [[USUBO:%[0-9]+]]:_(s64), [[USUBO1:%[0-9]+]]:_(s1) = G_USUBO [[COPY]], [[COPY1]]
+    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[USUBO1]](s1), [[C]], [[USUBO]]
+    ; CHECK: $x0 = COPY [[SELECT]](s64)
+    ; CHECK: RET_ReallyLR implicit $x0
+    %0:_(s64) = COPY $x0
+    %1:_(s64) = COPY $x1
+    %2:_(s64) = G_USUBSAT %0, %1
+    $x0 = COPY %2(s64)
+    RET_ReallyLR implicit $x0
+
+...
+---
+name:            func16
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func16
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
+    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C]]
+    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
+    ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[AND]], [[AND1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
+    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
+    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s32), [[AND2]]
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32)
+    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[C1]], [[COPY5]]
+    ; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
+    ; CHECK: $w0 = COPY [[COPY6]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %2:_(s32) = COPY $w0
+    %0:_(s16) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $w1
+    %1:_(s16) = G_TRUNC %3(s32)
+    %4:_(s16) = G_USUBSAT %0, %1
+    %5:_(s32) = G_ANYEXT %4(s16)
+    $w0 = COPY %5(s32)
+    RET_ReallyLR implicit $w0
+
+...
+---
+name:            func8
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func8
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
+    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C]]
+    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
+    ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[AND]], [[AND1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
+    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
+    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s32), [[AND2]]
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32)
+    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[C1]], [[COPY5]]
+    ; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
+    ; CHECK: $w0 = COPY [[COPY6]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %2:_(s32) = COPY $w0
+    %0:_(s8) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $w1
+    %1:_(s8) = G_TRUNC %3(s32)
+    %4:_(s8) = G_USUBSAT %0, %1
+    %5:_(s32) = G_ANYEXT %4(s8)
+    $w0 = COPY %5(s32)
+    RET_ReallyLR implicit $w0
+
+...
+---
+name:            func3
+alignment:       4
+tracksRegLiveness: true
+liveins:
+  - { reg: '$w0' }
+  - { reg: '$w1' }
+body:             |
+  bb.1:
+    liveins: $w0, $w1
+
+    ; CHECK-LABEL: name: func3
+    ; CHECK: liveins: $w0, $w1
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
+    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C]]
+    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C]]
+    ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[AND]], [[AND1]]
+    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
+    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C]]
+    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s32), [[AND2]]
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32)
+    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
+    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
+    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[TRUNC]](s1), [[C1]], [[COPY5]]
+    ; CHECK: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SELECT]](s32)
+    ; CHECK: $w0 = COPY [[COPY6]](s32)
+    ; CHECK: RET_ReallyLR implicit $w0
+    %2:_(s32) = COPY $w0
+    %0:_(s4) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $w1
+    %1:_(s4) = G_TRUNC %3(s32)
+    %4:_(s4) = G_USUBSAT %0, %1
+    %5:_(s32) = G_ANYEXT %4(s4)
+    $w0 = COPY %5(s32)
+    RET_ReallyLR implicit $w0
+
+...
diff --git a/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir b/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
index ffd47e094f5..9283303f82b 100644
--- a/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
+++ b/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
@@ -338,14 +338,15 @@
 # DEBUG-NEXT: .. the first uncovered type index: 1, OK
 # DEBUG-NEXT: .. the first uncovered imm index: 0, OK
 # DEBUG-NEXT: G_UADDSAT (opcode {{[0-9]+}}): 1 type index, 0 imm indices
-# DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
-# DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined
+# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
+# DEBUG-NEXT: .. imm index coverage check SKIPPED: user-defined predicate detected
 # DEBUG-NEXT: G_SADDSAT (opcode {{[0-9]+}}): 1 type index, 0 imm indices
 # DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
 # DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined
 # DEBUG-NEXT: G_USUBSAT (opcode {{[0-9]+}}): 1 type index, 0 imm indices
-# DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
-# DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined
+# DEBUG-NEXT: .. opcode {{[0-9]+}} is aliased to {{[0-9]+}}
+# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
+# DEBUG-NEXT: .. imm index coverage check SKIPPED: user-defined predicate detected
 # DEBUG-NEXT: G_SSUBSAT (opcode {{[0-9]+}}): 1 type index, 0 imm indices
 # DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
 # DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined