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author | JF Bastien <jfbastien@apple.com> | 2019-03-08 01:26:49 +0000 |
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committer | JF Bastien <jfbastien@apple.com> | 2019-03-08 01:26:49 +0000 |
commit | b5e5bc760e73d613c109519f962a2e62bfc53430 (patch) | |
tree | 8368dbd97544b048533690cd115e10466d4a7cbf /clang/test/CodeGenCXX/auto-var-init.cpp | |
parent | 382ede4544a8902f38cea5680f1625ec3ac684dc (diff) | |
download | bcm5719-llvm-b5e5bc760e73d613c109519f962a2e62bfc53430.tar.gz bcm5719-llvm-b5e5bc760e73d613c109519f962a2e62bfc53430.zip |
Variable auto-init: split out small arrays
Summary: Following up with r355181, initialize small arrays as well.
LLVM stage2 shows a tiny size gain.
<rdar://48523005>
Reviewers: glider, pcc, kcc, rjmccall
Subscribers: jkorous, dexonsmith, jdoerfert, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D58885
llvm-svn: 355660
Diffstat (limited to 'clang/test/CodeGenCXX/auto-var-init.cpp')
-rw-r--r-- | clang/test/CodeGenCXX/auto-var-init.cpp | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/clang/test/CodeGenCXX/auto-var-init.cpp b/clang/test/CodeGenCXX/auto-var-init.cpp index 04f147cf8c8..821387e34f8 100644 --- a/clang/test/CodeGenCXX/auto-var-init.cpp +++ b/clang/test/CodeGenCXX/auto-var-init.cpp @@ -129,7 +129,6 @@ struct arraytail { int i; int arr[]; }; // PATTERN-O1-NOT: @__const.test_bool4_custom.custom // ZERO-O1-NOT: @__const.test_bool4_custom.custom -// PATTERN: @__const.test_intptr4_uninit.uninit = private unnamed_addr constant [4 x i32*] [i32* inttoptr (i64 -6148914691236517206 to i32*), i32* inttoptr (i64 -6148914691236517206 to i32*), i32* inttoptr (i64 -6148914691236517206 to i32*), i32* inttoptr (i64 -6148914691236517206 to i32*)], align 16 // PATTERN: @__const.test_intptr4_custom.custom = private unnamed_addr constant [4 x i32*] [i32* inttoptr (i64 572662306 to i32*), i32* inttoptr (i64 572662306 to i32*), i32* inttoptr (i64 572662306 to i32*), i32* inttoptr (i64 572662306 to i32*)], align 16 // ZERO: @__const.test_intptr4_custom.custom = private unnamed_addr constant [4 x i32*] [i32* inttoptr (i64 572662306 to i32*), i32* inttoptr (i64 572662306 to i32*), i32* inttoptr (i64 572662306 to i32*), i32* inttoptr (i64 572662306 to i32*)], align 16 // PATTERN-O0: @__const.test_tailpad4_uninit.uninit = private unnamed_addr constant [4 x { i16, i8, [1 x i8] }] [{ i16, i8, [1 x i8] } { i16 -21846, i8 -86, [1 x i8] c"\AA" }, { i16, i8, [1 x i8] } { i16 -21846, i8 -86, [1 x i8] c"\AA" }, { i16, i8, [1 x i8] } { i16 -21846, i8 -86, [1 x i8] c"\AA" }, { i16, i8, [1 x i8] } { i16 -21846, i8 -86, [1 x i8] c"\AA" }], align 16 @@ -1019,13 +1018,20 @@ TEST_CUSTOM(bool4, bool[4], { true, true, true, true }); // CHECK-NEXT: call void @{{.*}}used{{.*}}%custom) TEST_UNINIT(intptr4, int*[4]); -// CHECK-LABEL: @test_intptr4_uninit() -// CHECK: %uninit = alloca [4 x i32*], align -// CHECK-NEXT: call void @{{.*}}used{{.*}}%uninit) -// PATTERN-LABEL: @test_intptr4_uninit() -// PATTERN: call void @llvm.memcpy{{.*}} @__const.test_intptr4_uninit.uninit -// ZERO-LABEL: @test_intptr4_uninit() -// ZERO: call void @llvm.memset{{.*}}, i8 0, +// CHECK-LABEL: @test_intptr4_uninit() +// CHECK: %uninit = alloca [4 x i32*], align +// CHECK-NEXT: call void @{{.*}}used{{.*}}%uninit) +// PATTERN-O1-LABEL: @test_intptr4_uninit() +// PATTERN-O1: %1 = getelementptr inbounds [4 x i32*], [4 x i32*]* %uninit, i64 0, i64 0 +// PATTERN-O1-NEXT: store i32* inttoptr (i64 -6148914691236517206 to i32*), i32** %1, align 16 +// PATTERN-O1-NEXT: %2 = getelementptr inbounds [4 x i32*], [4 x i32*]* %uninit, i64 0, i64 1 +// PATTERN-O1-NEXT: store i32* inttoptr (i64 -6148914691236517206 to i32*), i32** %2, align 8 +// PATTERN-O1-NEXT: %3 = getelementptr inbounds [4 x i32*], [4 x i32*]* %uninit, i64 0, i64 2 +// PATTERN-O1-NEXT: store i32* inttoptr (i64 -6148914691236517206 to i32*), i32** %3, align 16 +// PATTERN-O1-NEXT: %4 = getelementptr inbounds [4 x i32*], [4 x i32*]* %uninit, i64 0, i64 3 +// PATTERN-O1-NEXT: store i32* inttoptr (i64 -6148914691236517206 to i32*), i32** %4, align 8 +// ZERO-LABEL: @test_intptr4_uninit() +// ZERO: call void @llvm.memset{{.*}}, i8 0, TEST_BRACES(intptr4, int*[4]); // CHECK-LABEL: @test_intptr4_braces() @@ -1124,7 +1130,7 @@ TEST_UNINIT(atomicnotlockfree, _Atomic(notlockfree)); // PATTERN-LABEL: @test_atomicnotlockfree_uninit() // PATTERN-O0: call void @llvm.memcpy{{.*}} @__const.test_atomicnotlockfree_uninit.uninit // PATTERN-O1: bitcast -// PATTERN-O1: call void @llvm.memset{{.*}}({{.*}}0, i8 -86, i64 32 +// PATTERN-O1: call void @llvm.memset{{.*}}({{.*}}, i8 -86, i64 32 // ZERO-LABEL: @test_atomicnotlockfree_uninit() // ZERO: call void @llvm.memset{{.*}}, i8 0, |