; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5 ; RUN: opt < %s -disable-output "-passes=print" \ ; RUN: "-aa-pipeline=basic-aa,globals-aa" 2>&1 | FileCheck %s define void @i32_subscript(ptr %a) { ; CHECK-LABEL: 'i32_subscript' ; CHECK-NEXT: Src: %0 = load i32, ptr %a.addr, align 4 --> Dst: %0 = load i32, ptr %a.addr, align 4 ; CHECK-NEXT: da analyze - none! ; CHECK-NEXT: Src: %0 = load i32, ptr %a.addr, align 4 --> Dst: store i32 %1, ptr %a.addr.2, align 4 ; CHECK-NEXT: da analyze - anti [*|<]! ; CHECK-NEXT: Src: store i32 %1, ptr %a.addr.2, align 4 --> Dst: store i32 %1, ptr %a.addr.2, align 4 ; CHECK-NEXT: da analyze - output [S]! ; entry: br label %for.body for.body: %i = phi i32 [ 0, %entry ], [ %i.inc, %for.body ] %a.addr = getelementptr i32, ptr %a, i32 %i %a.addr.2 = getelementptr i32, ptr %a, i32 5 %0 = load i32, ptr %a.addr, align 4 %1 = add i32 %0, 1 store i32 %1, ptr %a.addr.2, align 4 %i.inc = add nsw i32 %i, 1 %i.inc.ext = sext i32 %i to i64 %exitcond = icmp ne i64 %i.inc.ext, 100 br i1 %exitcond, label %for.body, label %for.end for.end: ret void } ; Test for a bug, which caused an assert in ScalarEvolution because ; the Dependence Analyzer attempted to zero extend a type to a smaller ; type. ; void t(unsigned int *a, unsigned int n) { ; for (unsigned int i = 0; i != n; i++) { ; a[(unsigned short)i] = g; ; }} @g = common global i32 0, align 4 define void @t(ptr noalias %a, i32 %n) nounwind { ; CHECK-LABEL: 't' ; CHECK-NEXT: Src: %0 = load i32, ptr @g, align 4 --> Dst: %0 = load i32, ptr @g, align 4 ; CHECK-NEXT: da analyze - input [S]! ; CHECK-NEXT: Src: %0 = load i32, ptr @g, align 4 --> Dst: store i32 %0, ptr %arrayidx, align 4 ; CHECK-NEXT: da analyze - none! ; CHECK-NEXT: Src: store i32 %0, ptr %arrayidx, align 4 --> Dst: store i32 %0, ptr %arrayidx, align 4 ; CHECK-NEXT: da analyze - output [*]! ; entry: %cmp1 = icmp eq i32 %n, 0 br i1 %cmp1, label %for.end, label %for.body for.body: %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ] %0 = load i32, ptr @g, align 4 %idxprom = and i32 %i.02, 65535 %arrayidx = getelementptr inbounds i32, ptr %a, i32 %idxprom store i32 %0, ptr %arrayidx, align 4 %inc = add i32 %i.02, 1 %cmp = icmp eq i32 %inc, %n br i1 %cmp, label %for.end, label %for.body for.end: ret void } define void @i16_wrap(ptr %a) { ; CHECK-LABEL: 'i16_wrap' ; CHECK-NEXT: Src: %0 = load i64, ptr %idx, align 4 --> Dst: %0 = load i64, ptr %idx, align 4 ; CHECK-NEXT: da analyze - input [*]! ; CHECK-NEXT: Src: %0 = load i64, ptr %idx, align 4 --> Dst: store i64 %1, ptr %idx, align 4 ; CHECK-NEXT: da analyze - anti [*|<]! ; CHECK-NEXT: Src: store i64 %1, ptr %idx, align 4 --> Dst: store i64 %1, ptr %idx, align 4 ; CHECK-NEXT: da analyze - output [*]! ; entry: br label %for.body for.body: %i = phi i64 [0, %entry], [%i.inc, %for.inc] %i.tr = trunc i64 %i to i16 %idx = getelementptr i64, ptr %a, i16 %i.tr %0 = load i64, ptr %idx %1 = add i64 %0, 1 store i64 %1, ptr %idx br label %for.inc for.inc: %i.inc = add nuw i64 %i, 1 %cmp = icmp ult i64 %i.inc, 17179869184 br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @i8_stride_wrap(ptr noalias %a, ptr noalias %b) { ; CHECK-LABEL: 'i8_stride_wrap' ; CHECK-NEXT: Src: %0 = load i32, ptr %idx, align 4 --> Dst: %0 = load i32, ptr %idx, align 4 ; CHECK-NEXT: da analyze - input [S]! ; CHECK-NEXT: Src: %0 = load i32, ptr %idx, align 4 --> Dst: store i32 %1, ptr %idx.2, align 4 ; CHECK-NEXT: da analyze - none! ; CHECK-NEXT: Src: store i32 %1, ptr %idx.2, align 4 --> Dst: store i32 %1, ptr %idx.2, align 4 ; CHECK-NEXT: da analyze - none! ; entry: br label %for.body for.body: %i = phi i32 [1,%entry], [%i.inc, %for.inc] %i.tr = trunc i32 %i to i8 %idx = getelementptr i32, ptr %a, i8 %i.tr %idx.2 = getelementptr i32, ptr %b, i32 %i %0 = load i32, ptr %idx, align 4 %1 = add i32 %0, 1 store i32 %1, ptr %idx.2, align 4 br label %for.inc for.inc: %i.inc = add nsw i32 %i, 256 %exitcond = icmp ult i32 %i, 65536 br i1 %exitcond, label %for.body, label %for.end for.end: ret void }