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| author | Evandro Menezes <e.menezes@samsung.com> | 2017-02-21 22:16:09 +0000 |
|---|---|---|
| committer | Evandro Menezes <e.menezes@samsung.com> | 2017-02-21 22:16:09 +0000 |
| commit | bc9a13db0ec3c166ae92206fa9ab8848aef2ca1a (patch) | |
| tree | 64cee8105c90455d5808d719266ead03d221bdc1 /llvm/test | |
| parent | ec330cc283b6131fa9d23e2b869b5d290d3ae1b9 (diff) | |
| download | bcm5719-llvm-bc9a13db0ec3c166ae92206fa9ab8848aef2ca1a.tar.gz bcm5719-llvm-bc9a13db0ec3c166ae92206fa9ab8848aef2ca1a.zip | |
[AArch64] Add test case for fusion of literal generation
Add test case from https://reviews.llvm.org/D28698 that was somehow lost in
transit.
llvm-svn: 295775
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/misched-fusion-lit.ll | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/misched-fusion-lit.ll b/llvm/test/CodeGen/AArch64/misched-fusion-lit.ll new file mode 100644 index 00000000000..45aa67ef1d5 --- /dev/null +++ b/llvm/test/CodeGen/AArch64/misched-fusion-lit.ll @@ -0,0 +1,46 @@ +; RUN: llc %s -o - -mtriple=aarch64-unknown -mattr=-fuse-literals | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKDONT +; RUN: llc %s -o - -mtriple=aarch64-unknown -mattr=+fuse-literals | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE +; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=cortex-a57 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE + +@g = common local_unnamed_addr global i8* null, align 8 + +define i8* @litp(i32 %a, i32 %b) { +entry: + %add = add nsw i32 %b, %a + %idx.ext = sext i32 %add to i64 + %add.ptr = getelementptr i8, i8* bitcast (i8* (i32, i32)* @litp to i8*), i64 %idx.ext + store i8* %add.ptr, i8** @g, align 8 + ret i8* %add.ptr + +; CHECK-LABEL: litp: +; CHECK: adrp [[R:x[0-9]+]], litp +; CHECKDONT-NEXT: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}} +; CHECKFUSE-NEXT: add {{x[0-9]+}}, [[R]], :lo12:litp +} + +define i32 @liti(i32 %a, i32 %b) { +entry: + %add = add i32 %a, -262095121 + %add1 = add i32 %add, %b + ret i32 %add1 + +; CHECK-LABEL: liti: +; CHECK: mov [[R:w[0-9]+]], {{#[0-9]+}} +; CHECKDONT-NEXT: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}} +; CHECKFUSE-NEXT: movk [[R]], {{#[0-9]+}}, lsl #16 +} + +; Function Attrs: norecurse nounwind readnone +define i64 @litl(i64 %a, i64 %b) { +entry: + %add = add i64 %a, 2208998440489107183 + %add1 = add i64 %add, %b + ret i64 %add1 + +; CHECK-LABEL: litl: +; CHECK: mov [[R:x[0-9]+]], {{#[0-9]+}} +; CHECK-NEXT: movk [[R]], {{#[0-9]+}}, lsl #16 +; CHECK: movk [[R]], {{#[0-9]+}}, lsl #32 +; CHECKDONT-NEXT: add {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}} +; CHECKFUSE-NEXT: movk [[R]], {{#[0-9]+}}, lsl #48 +} |
