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author | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2013-05-06 16:17:29 +0000 |
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committer | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2013-05-06 16:17:29 +0000 |
commit | b503b49b5105b6aad7d2a015468b84b0f64dfe8e (patch) | |
tree | a60966043fae51838cb2faa08531a7ed078e4fb6 /test/CodeGen/SystemZ/fp-move-07.ll | |
parent | 1d09d56fe1e3f3faadd4bf4ccf3e585ddb3c3b07 (diff) | |
download | llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.gz llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.bz2 llvm-b503b49b5105b6aad7d2a015468b84b0f64dfe8e.tar.xz |
[SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.
This version of the patch incorporates feedback from a review by
Sean Silva. Thanks to all reviewers!
Patch by Richard Sandiford.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SystemZ/fp-move-07.ll')
-rw-r--r-- | test/CodeGen/SystemZ/fp-move-07.ll | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/fp-move-07.ll b/test/CodeGen/SystemZ/fp-move-07.ll new file mode 100644 index 0000000000..0cb0474157 --- /dev/null +++ b/test/CodeGen/SystemZ/fp-move-07.ll @@ -0,0 +1,110 @@ +; Test 64-bit floating-point stores. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; Test the low end of the STD range. +define void @f1(double *%src, double %val) { +; CHECK: f1: +; CHECK: std %f0, 0(%r2) +; CHECK: br %r14 + store double %val, double *%src + ret void +} + +; Test the high end of the STD range. +define void @f2(double *%src, double %val) { +; CHECK: f2: +; CHECK: std %f0, 4088(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 511 + store double %val, double *%ptr + ret void +} + +; Check the next doubleword up, which should use STDY instead of STD. +define void @f3(double *%src, double %val) { +; CHECK: f3: +; CHECK: stdy %f0, 4096(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 512 + store double %val, double *%ptr + ret void +} + +; Check the high end of the aligned STDY range. +define void @f4(double *%src, double %val) { +; CHECK: f4: +; CHECK: stdy %f0, 524280(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 65535 + store double %val, double *%ptr + ret void +} + +; Check the next doubleword up, which needs separate address logic. +; Other sequences besides this one would be OK. +define void @f5(double *%src, double %val) { +; CHECK: f5: +; CHECK: agfi %r2, 524288 +; CHECK: std %f0, 0(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 65536 + store double %val, double *%ptr + ret void +} + +; Check the high end of the negative aligned STDY range. +define void @f6(double *%src, double %val) { +; CHECK: f6: +; CHECK: stdy %f0, -8(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 -1 + store double %val, double *%ptr + ret void +} + +; Check the low end of the STDY range. +define void @f7(double *%src, double %val) { +; CHECK: f7: +; CHECK: stdy %f0, -524288(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 -65536 + store double %val, double *%ptr + ret void +} + +; Check the next doubleword down, which needs separate address logic. +; Other sequences besides this one would be OK. +define void @f8(double *%src, double %val) { +; CHECK: f8: +; CHECK: agfi %r2, -524296 +; CHECK: std %f0, 0(%r2) +; CHECK: br %r14 + %ptr = getelementptr double *%src, i64 -65537 + store double %val, double *%ptr + ret void +} + +; Check that STD allows an index. +define void @f9(i64 %src, i64 %index, double %val) { +; CHECK: f9: +; CHECK: std %f0, 4095({{%r3,%r2|%r2,%r3}}) +; CHECK: br %r14 + %add1 = add i64 %src, %index + %add2 = add i64 %add1, 4095 + %ptr = inttoptr i64 %add2 to double * + store double %val, double *%ptr + ret void +} + +; Check that STDY allows an index. +define void @f10(i64 %src, i64 %index, double %val) { +; CHECK: f10: +; CHECK: stdy %f0, 4096({{%r3,%r2|%r2,%r3}}) +; CHECK: br %r14 + %add1 = add i64 %src, %index + %add2 = add i64 %add1, 4096 + %ptr = inttoptr i64 %add2 to double * + store double %val, double *%ptr + ret void +} |