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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes2; RUN: opt < %s -S -passes=ipsccp | FileCheck %s3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"4target triple = "x86_64-unknown-linux-gnu"5 6define void @fn2(ptr %P, i1 %arg) {7; CHECK-LABEL: define {{[^@]+}}@fn28; CHECK-SAME: (ptr [[P:%.*]], i1 [[ARG:%.*]]) {9; CHECK-NEXT: entry:10; CHECK-NEXT: br label [[IF_END:%.*]]11; CHECK: for.cond1:12; CHECK-NEXT: br i1 [[ARG]], label [[IF_END]], label [[IF_END]]13; CHECK: if.end:14; CHECK-NEXT: [[CALL:%.*]] = call i32 @fn1(i32 undef)15; CHECK-NEXT: store i32 [[CALL]], ptr [[P]], align 416; CHECK-NEXT: br label [[FOR_COND1:%.*]]17;18entry:19 br label %if.end20 21for.cond1: ; preds = %if.end, %for.end22 br i1 %arg, label %if.end, label %if.end23 24if.end: ; preds = %lbl, %for.cond125 %e.2 = phi ptr [ undef, %entry ], [ null, %for.cond1 ], [ null, %for.cond1 ]26 %0 = load i32, ptr %e.2, align 427 %call = call i32 @fn1(i32 %0)28 store i32 %call, ptr %P29 br label %for.cond130}31 32define internal i32 @fn1(i32 %p1) {33; CHECK-LABEL: define {{[^@]+}}@fn134; CHECK-SAME: (i32 [[P1:%.*]]) {35; CHECK-NEXT: entry:36; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 undef, 037; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], i32 undef, i32 undef38; CHECK-NEXT: ret i32 [[COND]]39;40entry:41 %tobool = icmp ne i32 %p1, 042 %cond = select i1 %tobool, i32 %p1, i32 %p143 ret i32 %cond44}45 46define void @fn_no_null_opt(ptr %P, i1 %arg) #0 {47; CHECK-LABEL: define {{[^@]+}}@fn_no_null_opt48; CHECK-SAME: (ptr [[P:%.*]], i1 [[ARG:%.*]]) #[[ATTR0:[0-9]+]] {49; CHECK-NEXT: entry:50; CHECK-NEXT: br label [[IF_END:%.*]]51; CHECK: for.cond1:52; CHECK-NEXT: br i1 [[ARG]], label [[IF_END]], label [[IF_END]]53; CHECK: if.end:54; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr null, align 455; CHECK-NEXT: [[CALL:%.*]] = call i32 @fn0(i32 [[TMP0]])56; CHECK-NEXT: store i32 [[CALL]], ptr [[P]], align 457; CHECK-NEXT: br label [[FOR_COND1:%.*]]58;59entry:60 br label %if.end61 62for.cond1: ; preds = %if.end, %for.end63 br i1 %arg, label %if.end, label %if.end64 65if.end: ; preds = %lbl, %for.cond166 %e.2 = phi ptr [ undef, %entry ], [ null, %for.cond1 ], [ null, %for.cond1 ]67 %0 = load i32, ptr %e.2, align 468 %call = call i32 @fn0(i32 %0)69 store i32 %call, ptr %P70 br label %for.cond171}72 73define internal i32 @fn0(i32 %p1) {74; CHECK-LABEL: define {{[^@]+}}@fn075; CHECK-SAME: (i32 [[P1:%.*]]) {76; CHECK-NEXT: entry:77; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[P1]], 078; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], i32 [[P1]], i32 [[P1]]79; CHECK-NEXT: ret i32 [[COND]]80;81entry:82 %tobool = icmp ne i32 %p1, 083 %cond = select i1 %tobool, i32 %p1, i32 %p184 ret i32 %cond85}86 87attributes #0 = { null_pointer_is_valid }88