; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -constraint-elimination -S %s | FileCheck %s define i32 @test.ult(i32* readonly %src, i32* readnone %min, i32* readnone %max) { ; CHECK-LABEL: @test.ult( ; CHECK-NEXT: check.0.min: ; CHECK-NEXT: [[C_MIN_0:%.*]] = icmp ult i32* [[SRC:%.*]], [[MIN:%.*]] ; CHECK-NEXT: br i1 [[C_MIN_0]], label [[TRAP:%.*]], label [[CHECK_0_MAX:%.*]] ; CHECK: trap: ; CHECK-NEXT: ret i32 10 ; CHECK: check.0.max: ; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[SRC]], [[MAX:%.*]] ; CHECK-NEXT: br i1 [[C_MAX_0]], label [[CHECK_3_MIN:%.*]], label [[TRAP]] ; CHECK: check.3.min: ; CHECK-NEXT: [[L0:%.*]] = load i32, i32* [[SRC]], align 4 ; CHECK-NEXT: [[ADD_PTR_I36:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 3 ; CHECK-NEXT: [[C_3_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I36]], [[MIN]] ; CHECK-NEXT: br i1 false, label [[TRAP]], label [[CHECK_3_MAX:%.*]] ; CHECK: check.3.max: ; CHECK-NEXT: [[C_3_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I36]], [[MAX]] ; CHECK-NEXT: br i1 [[C_3_MAX]], label [[CHECK_1_MIN:%.*]], label [[TRAP]] ; CHECK: check.1.min: ; CHECK-NEXT: [[L1:%.*]] = load i32, i32* [[ADD_PTR_I36]], align 4 ; CHECK-NEXT: [[ADD_PTR_I29:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 1 ; CHECK-NEXT: [[C_1_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I29]], [[MIN]] ; CHECK-NEXT: br i1 false, label [[TRAP]], label [[CHECK_1_MAX:%.*]] ; CHECK: check.1.max: ; CHECK-NEXT: [[C_1_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I29]], [[MAX]] ; CHECK-NEXT: br i1 true, label [[CHECK_2_MIN:%.*]], label [[TRAP]] ; CHECK: check.2.min: ; CHECK-NEXT: [[L2:%.*]] = load i32, i32* [[ADD_PTR_I29]], align 4 ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 2 ; CHECK-NEXT: [[C_2_MIN:%.*]] = icmp ult i32* [[ADD_PTR_I]], [[MIN]] ; CHECK-NEXT: br i1 false, label [[TRAP]], label [[CHECK_2_MAX:%.*]] ; CHECK: check.2.max: ; CHECK-NEXT: [[C_2_MAX:%.*]] = icmp ult i32* [[ADD_PTR_I]], [[MAX]] ; CHECK-NEXT: br i1 true, label [[EXIT:%.*]], label [[TRAP]] ; CHECK: exit: ; CHECK-NEXT: [[L3:%.*]] = load i32, i32* [[ADD_PTR_I]], align 4 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[L1]], [[L0]] ; CHECK-NEXT: [[ADD8:%.*]] = add nsw i32 [[ADD]], [[L2]] ; CHECK-NEXT: [[ADD9:%.*]] = add nsw i32 [[ADD8]], [[L3]] ; CHECK-NEXT: ret i32 [[ADD9]] ; check.0.min: %c.min.0 = icmp ult i32* %src, %min br i1 %c.min.0, label %trap, label %check.0.max trap: ; preds = %check.2.max, %check.2.min, %check.1.max, %check.1.min, %check.3.max, %check.3.min, %check.0.max, %check.0.min ret i32 10 check.0.max: ; preds = %check.0.min %c.max.0 = icmp ult i32* %src, %max br i1 %c.max.0, label %check.3.min, label %trap check.3.min: ; preds = %check.0.max %l0 = load i32, i32* %src, align 4 %add.ptr.i36 = getelementptr inbounds i32, i32* %src, i64 3 %c.3.min = icmp ult i32* %add.ptr.i36, %min br i1 %c.3.min, label %trap, label %check.3.max check.3.max: ; preds = %check.3.min %c.3.max = icmp ult i32* %add.ptr.i36, %max br i1 %c.3.max, label %check.1.min, label %trap check.1.min: ; preds = %check.3.max %l1 = load i32, i32* %add.ptr.i36, align 4 %add.ptr.i29 = getelementptr inbounds i32, i32* %src, i64 1 %c.1.min = icmp ult i32* %add.ptr.i29, %min br i1 %c.1.min, label %trap, label %check.1.max check.1.max: ; preds = %check.1.min %c.1.max = icmp ult i32* %add.ptr.i29, %max br i1 %c.1.max, label %check.2.min, label %trap check.2.min: ; preds = %check.1.max %l2 = load i32, i32* %add.ptr.i29, align 4 %add.ptr.i = getelementptr inbounds i32, i32* %src, i64 2 %c.2.min = icmp ult i32* %add.ptr.i, %min br i1 %c.2.min, label %trap, label %check.2.max check.2.max: ; preds = %check.2.min %c.2.max = icmp ult i32* %add.ptr.i, %max br i1 %c.2.max, label %exit, label %trap exit: ; preds = %check.2.max %l3 = load i32, i32* %add.ptr.i, align 4 %add = add nsw i32 %l1, %l0 %add8 = add nsw i32 %add, %l2 %add9 = add nsw i32 %add8, %l3 ret i32 %add9 } define void @test.not.uge.ult(i8* %start, i8* %low, i8* %high) { ; CHECK-LABEL: @test.not.uge.ult( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8* [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1 ; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8* [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2 ; CHECK-NEXT: [[T_2:%.*]] = icmp ult i8* [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3 ; CHECK-NEXT: [[T_3:%.*]] = icmp ult i8* [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4 ; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8* [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[C_4]]) ; CHECK-NEXT: ret void ; entry: %add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3 %c.1 = icmp uge i8* %add.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %t.0 = icmp ult i8* %start, %high call void @use(i1 %t.0) %start.1 = getelementptr inbounds i8, i8* %start, i64 1 %t.1 = icmp ult i8* %start.1, %high call void @use(i1 %t.1) %start.2 = getelementptr inbounds i8, i8* %start, i64 2 %t.2 = icmp ult i8* %start.2, %high call void @use(i1 %t.2) %start.3 = getelementptr inbounds i8, i8* %start, i64 3 %t.3 = icmp ult i8* %start.3, %high call void @use(i1 %t.3) %start.4 = getelementptr inbounds i8, i8* %start, i64 4 %c.4 = icmp ult i8* %start.4, %high call void @use(i1 %c.4) ret void } define void @test.not.uge.ule(i8* %start, i8* %low, i8* %high) { ; CHECK-LABEL: @test.not.uge.ule( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[T_0:%.*]] = icmp ule i8* [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1 ; CHECK-NEXT: [[T_1:%.*]] = icmp ule i8* [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2 ; CHECK-NEXT: [[T_2:%.*]] = icmp ule i8* [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3 ; CHECK-NEXT: [[T_3:%.*]] = icmp ule i8* [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4 ; CHECK-NEXT: [[T_4:%.*]] = icmp ule i8* [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[START_5:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 5 ; CHECK-NEXT: [[C_5:%.*]] = icmp ule i8* [[START_5]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[C_5]]) ; CHECK-NEXT: ret void ; entry: %add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3 %c.1 = icmp uge i8* %add.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %t.0 = icmp ule i8* %start, %high call void @use(i1 %t.0) %start.1 = getelementptr inbounds i8, i8* %start, i64 1 %t.1 = icmp ule i8* %start.1, %high call void @use(i1 %t.1) %start.2 = getelementptr inbounds i8, i8* %start, i64 2 %t.2 = icmp ule i8* %start.2, %high call void @use(i1 %t.2) %start.3 = getelementptr inbounds i8, i8* %start, i64 3 %t.3 = icmp ule i8* %start.3, %high call void @use(i1 %t.3) %start.4 = getelementptr inbounds i8, i8* %start, i64 4 %t.4 = icmp ule i8* %start.4, %high call void @use(i1 %t.4) %start.5 = getelementptr inbounds i8, i8* %start, i64 5 %c.5 = icmp ule i8* %start.5, %high call void @use(i1 %c.5) ret void } define void @test.not.uge.ugt(i8* %start, i8* %low, i8* %high) { ; CHECK-LABEL: @test.not.uge.ugt( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[F_0:%.*]] = icmp ugt i8* [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1 ; CHECK-NEXT: [[F_1:%.*]] = icmp ugt i8* [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2 ; CHECK-NEXT: [[F_2:%.*]] = icmp ugt i8* [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3 ; CHECK-NEXT: [[F_3:%.*]] = icmp ugt i8* [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4 ; CHECK-NEXT: [[F_4:%.*]] = icmp ugt i8* [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_5:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 5 ; CHECK-NEXT: [[C_5:%.*]] = icmp ugt i8* [[START_5]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[C_5]]) ; CHECK-NEXT: ret void ; entry: %add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3 %c.1 = icmp uge i8* %add.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %f.0 = icmp ugt i8* %start, %high call void @use(i1 %f.0) %start.1 = getelementptr inbounds i8, i8* %start, i64 1 %f.1 = icmp ugt i8* %start.1, %high call void @use(i1 %f.1) %start.2 = getelementptr inbounds i8, i8* %start, i64 2 %f.2 = icmp ugt i8* %start.2, %high call void @use(i1 %f.2) %start.3 = getelementptr inbounds i8, i8* %start, i64 3 %f.3 = icmp ugt i8* %start.3, %high call void @use(i1 %f.3) %start.4 = getelementptr inbounds i8, i8* %start, i64 4 %f.4 = icmp ugt i8* %start.4, %high call void @use(i1 %f.4) %start.5 = getelementptr inbounds i8, i8* %start, i64 5 %c.5 = icmp ugt i8* %start.5, %high call void @use(i1 %c.5) ret void } define void @test.not.uge.uge(i8* %start, i8* %low, i8* %high) { ; CHECK-LABEL: @test.not.uge.uge( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 3 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[F_0:%.*]] = icmp ugt i8* [[START]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1 ; CHECK-NEXT: [[F_1:%.*]] = icmp uge i8* [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 2 ; CHECK-NEXT: [[F_2:%.*]] = icmp uge i8* [[START_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_3:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 3 ; CHECK-NEXT: [[F_3:%.*]] = icmp uge i8* [[START_3]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: [[START_4:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 4 ; CHECK-NEXT: [[C_4:%.*]] = icmp uge i8* [[START_4]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[C_4]]) ; CHECK-NEXT: [[START_5:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 5 ; CHECK-NEXT: [[C_5:%.*]] = icmp uge i8* [[START_5]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[C_5]]) ; CHECK-NEXT: ret void ; entry: %add.ptr.i = getelementptr inbounds i8, i8* %start, i64 3 %c.1 = icmp uge i8* %add.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry ret void if.end: ; preds = %entry %f.0 = icmp ugt i8* %start, %high call void @use(i1 %f.0) %start.1 = getelementptr inbounds i8, i8* %start, i64 1 %f.1 = icmp uge i8* %start.1, %high call void @use(i1 %f.1) %start.2 = getelementptr inbounds i8, i8* %start, i64 2 %f.2 = icmp uge i8* %start.2, %high call void @use(i1 %f.2) %start.3 = getelementptr inbounds i8, i8* %start, i64 3 %f.3 = icmp uge i8* %start.3, %high call void @use(i1 %f.3) %start.4 = getelementptr inbounds i8, i8* %start, i64 4 %c.4 = icmp uge i8* %start.4, %high call void @use(i1 %c.4) %start.5 = getelementptr inbounds i8, i8* %start, i64 5 %c.5 = icmp uge i8* %start.5, %high call void @use(i1 %c.5) ret void } define void @test.not.uge.uge.nonconst(i8* %start, i8* %low, i8* %high, i64 %off) { ; CHECK-LABEL: @test.not.uge.uge.nonconst( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = getelementptr inbounds i8, i8* [[START:%.*]], i64 [[OFF:%.*]] ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[ADD_PTR_I]], [[HIGH:%.*]] ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] ; CHECK: if.then: ; CHECK-NEXT: [[START_OFF_2:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 [[OFF]] ; CHECK-NEXT: [[T_0:%.*]] = icmp uge i8* [[START_OFF_2]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: ret void ; CHECK: if.end: ; CHECK-NEXT: [[START_1:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 1 ; CHECK-NEXT: [[C_0:%.*]] = icmp uge i8* [[START_1]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 [[C_0]]) ; CHECK-NEXT: [[START_OFF:%.*]] = getelementptr inbounds i8, i8* [[START]], i64 [[OFF]] ; CHECK-NEXT: [[F_0:%.*]] = icmp uge i8* [[START_OFF]], [[HIGH]] ; CHECK-NEXT: call void @use(i1 false) ; CHECK-NEXT: ret void ; entry: %add.ptr.i = getelementptr inbounds i8, i8* %start, i64 %off %c.1 = icmp uge i8* %add.ptr.i, %high br i1 %c.1, label %if.then, label %if.end if.then: ; preds = %entry %start.off.2 = getelementptr inbounds i8, i8* %start, i64 %off %t.0 = icmp uge i8* %start.off.2, %high call void @use(i1 %t.0) ret void if.end: ; preds = %entry %start.1 = getelementptr inbounds i8, i8* %start, i64 1 %c.0 = icmp uge i8* %start.1, %high call void @use(i1 %c.0) %start.off = getelementptr inbounds i8, i8* %start, i64 %off %f.0 = icmp uge i8* %start.off, %high call void @use(i1 %f.0) ret void } ; Test which requires decomposing GEP %ptr, SHL(). define void @test.ult.gep.shl(i32* readonly %src, i32* readnone %max, i32 %idx, i32 %j) { ; CHECK-LABEL: @test.ult.gep.shl( ; CHECK-NEXT: check.0.min: ; CHECK-NEXT: [[ADD_10:%.*]] = getelementptr inbounds i32, i32* [[SRC:%.*]], i32 10 ; CHECK-NEXT: [[C_ADD_10_MAX:%.*]] = icmp ugt i32* [[ADD_10]], [[MAX:%.*]] ; CHECK-NEXT: br i1 [[C_ADD_10_MAX]], label [[TRAP:%.*]], label [[CHECK_IDX:%.*]] ; CHECK: trap: ; CHECK-NEXT: ret void ; CHECK: check.idx: ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[IDX:%.*]], 5 ; CHECK-NEXT: br i1 [[CMP]], label [[CHECK_MAX:%.*]], label [[TRAP]] ; CHECK: check.max: ; CHECK-NEXT: [[IDX_SHL_1:%.*]] = shl nuw i32 [[IDX]], 1 ; CHECK-NEXT: [[ADD_PTR_SHL_1:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_1]] ; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[ADD_PTR_SHL_1]], [[MAX]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[IDX_SHL_2:%.*]] = shl nuw i32 [[IDX]], 2 ; CHECK-NEXT: [[ADD_PTR_SHL_2:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_2]] ; CHECK-NEXT: [[C_MAX_1:%.*]] = icmp ult i32* [[ADD_PTR_SHL_2]], [[MAX]] ; CHECK-NEXT: call void @use(i1 [[C_MAX_1]]) ; CHECK-NEXT: [[IDX_SHL_NOT_NUW:%.*]] = shl i32 [[IDX]], 1 ; CHECK-NEXT: [[ADD_PTR_SHL_NOT_NUW:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_NOT_NUW]] ; CHECK-NEXT: [[C_MAX_2:%.*]] = icmp ult i32* [[ADD_PTR_SHL_NOT_NUW]], [[MAX]] ; CHECK-NEXT: call void @use(i1 [[C_MAX_2]]) ; CHECK-NEXT: [[IDX_SHL_3:%.*]] = shl nuw i32 [[IDX]], 3 ; CHECK-NEXT: [[ADD_PTR_SHL_3:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i32 [[IDX_SHL_3]] ; CHECK-NEXT: [[C_MAX_3:%.*]] = icmp ult i32* [[ADD_PTR_SHL_3]], [[MAX]] ; CHECK-NEXT: call void @use(i1 [[C_MAX_3]]) ; CHECK-NEXT: ret void ; check.0.min: %add.10 = getelementptr inbounds i32, i32* %src, i32 10 %c.add.10.max = icmp ugt i32* %add.10, %max br i1 %c.add.10.max, label %trap, label %check.idx trap: ret void check.idx: ; preds = %check.0.min %cmp = icmp ult i32 %idx, 5 br i1 %cmp, label %check.max, label %trap check.max: ; preds = %check.0.min %idx.shl.1 = shl nuw i32 %idx, 1 %add.ptr.shl.1 = getelementptr inbounds i32, i32* %src, i32 %idx.shl.1 %c.max.0 = icmp ult i32* %add.ptr.shl.1, %max call void @use(i1 %c.max.0) %idx.shl.2 = shl nuw i32 %idx, 2 %add.ptr.shl.2 = getelementptr inbounds i32, i32* %src, i32 %idx.shl.2 %c.max.1 = icmp ult i32* %add.ptr.shl.2, %max call void @use(i1 %c.max.1) %idx.shl.not.nuw = shl i32 %idx, 1 %add.ptr.shl.not.nuw = getelementptr inbounds i32, i32* %src, i32 %idx.shl.not.nuw %c.max.2 = icmp ult i32* %add.ptr.shl.not.nuw, %max call void @use(i1 %c.max.2) %idx.shl.3 = shl nuw i32 %idx, 3 %add.ptr.shl.3 = getelementptr inbounds i32, i32* %src, i32 %idx.shl.3 %c.max.3 = icmp ult i32* %add.ptr.shl.3, %max call void @use(i1 %c.max.3) ret void } ; Test which requires decomposing GEP %ptr, ZEXT(SHL()). define void @test.ult.gep.shl.zext(i32* readonly %src, i32* readnone %max, i32 %idx, i32 %j) { ; CHECK-LABEL: @test.ult.gep.shl.zext( ; CHECK-NEXT: check.0.min: ; CHECK-NEXT: [[ADD_10:%.*]] = getelementptr inbounds i32, i32* [[SRC:%.*]], i32 10 ; CHECK-NEXT: [[C_ADD_10_MAX:%.*]] = icmp ugt i32* [[ADD_10]], [[MAX:%.*]] ; CHECK-NEXT: br i1 [[C_ADD_10_MAX]], label [[TRAP:%.*]], label [[CHECK_IDX:%.*]] ; CHECK: trap: ; CHECK-NEXT: ret void ; CHECK: check.idx: ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[IDX:%.*]], 5 ; CHECK-NEXT: br i1 [[CMP]], label [[CHECK_MAX:%.*]], label [[TRAP]] ; CHECK: check.max: ; CHECK-NEXT: [[IDX_SHL:%.*]] = shl nuw i32 [[IDX]], 1 ; CHECK-NEXT: [[EXT_1:%.*]] = zext i32 [[IDX_SHL]] to i64 ; CHECK-NEXT: [[ADD_PTR_SHL:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 [[EXT_1]] ; CHECK-NEXT: [[C_MAX_0:%.*]] = icmp ult i32* [[ADD_PTR_SHL]], [[MAX]] ; CHECK-NEXT: call void @use(i1 true) ; CHECK-NEXT: [[IDX_SHL_NOT_NUW:%.*]] = shl i32 [[IDX]], 1 ; CHECK-NEXT: [[EXT_2:%.*]] = zext i32 [[IDX_SHL_NOT_NUW]] to i64 ; CHECK-NEXT: [[ADD_PTR_SHL_NOT_NUW:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 [[EXT_2]] ; CHECK-NEXT: [[C_MAX_1:%.*]] = icmp ult i32* [[ADD_PTR_SHL_NOT_NUW]], [[MAX]] ; CHECK-NEXT: call void @use(i1 [[C_MAX_1]]) ; CHECK-NEXT: [[IDX_SHL_3:%.*]] = shl nuw i32 [[IDX]], 2 ; CHECK-NEXT: [[EXT_3:%.*]] = zext i32 [[IDX_SHL_3]] to i64 ; CHECK-NEXT: [[ADD_PTR_SHL_3:%.*]] = getelementptr inbounds i32, i32* [[SRC]], i64 [[EXT_3]] ; CHECK-NEXT: [[C_MAX_2:%.*]] = icmp ult i32* [[ADD_PTR_SHL_3]], [[MAX]] ; CHECK-NEXT: call void @use(i1 [[C_MAX_2]]) ; CHECK-NEXT: ret void ; check.0.min: %add.10 = getelementptr inbounds i32, i32* %src, i32 10 %c.add.10.max = icmp ugt i32* %add.10, %max br i1 %c.add.10.max, label %trap, label %check.idx trap: ret void check.idx: ; preds = %check.0.min %cmp = icmp ult i32 %idx, 5 br i1 %cmp, label %check.max, label %trap check.max: ; preds = %check.0.min %idx.shl = shl nuw i32 %idx, 1 %ext.1 = zext i32 %idx.shl to i64 %add.ptr.shl = getelementptr inbounds i32, i32* %src, i64 %ext.1 %c.max.0 = icmp ult i32* %add.ptr.shl, %max call void @use(i1 %c.max.0) %idx.shl.not.nuw = shl i32 %idx, 1 %ext.2 = zext i32 %idx.shl.not.nuw to i64 %add.ptr.shl.not.nuw = getelementptr inbounds i32, i32* %src, i64 %ext.2 %c.max.1 = icmp ult i32* %add.ptr.shl.not.nuw, %max call void @use(i1 %c.max.1) %idx.shl.3 = shl nuw i32 %idx, 2 %ext.3 = zext i32 %idx.shl.3 to i64 %add.ptr.shl.3 = getelementptr inbounds i32, i32* %src, i64 %ext.3 %c.max.2 = icmp ult i32* %add.ptr.shl.3, %max call void @use(i1 %c.max.2) ret void } declare void @use(i1) declare void @llvm.trap()