Fix bugs which were introduced when support for base+index floating point loads

and stores was added.

- SelectAddr should return false if Parent is an unaligned f32 load or store.
- Only aligned load and store nodes should be matched to select reg+imm
  floating point instructions.
- MIPS does not have support for f64 unaligned load or store instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151843 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 43 insertions, 0 deletions

diff --git a/test/CodeGen/Mips/mips64-fp-indexed-ls.ll b/test/CodeGen/Mips/mips64-fp-indexed-ls.ll
index edeb285f92..09745fb8f6 100644
--- a/test/CodeGen/Mips/mips64-fp-indexed-ls.ll
+++ b/test/CodeGen/Mips/mips64-fp-indexed-ls.ll
@@ -1,10 +1,14 @@
 ; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=n64 < %s | FileCheck %s
 
 %struct.S = type <{ [4 x float] }>
+%struct.S2 = type <{ [4 x double] }>
+%struct.S3 = type <{ i8, float }>
 
 @s = external global [4 x %struct.S]
 @gf = external global float
 @gd = external global double
+@s2 = external global [4 x %struct.S2]
+@s3 = external global %struct.S3
 
 define float @foo0(float* nocapture %b, i32 %o) nounwind readonly {
 entry:
@@ -65,3 +69,42 @@ entry:
   ret void
 }
 
+define double @foo6(i32 %b, i32 %c) nounwind readonly {
+entry:
+; CHECK: foo6
+; CHECK-NOT: ldxc1
+  %idxprom = zext i32 %c to i64
+  %idxprom1 = zext i32 %b to i64
+  %arrayidx2 = getelementptr inbounds [4 x %struct.S2]* @s2, i64 0, i64 %idxprom1, i32 0, i64 %idxprom
+  %0 = load double* %arrayidx2, align 1
+  ret double %0
+}
+
+define void @foo7(i32 %b, i32 %c) nounwind {
+entry:
+; CHECK: foo7
+; CHECK-NOT: sdxc1
+  %0 = load double* @gd, align 8
+  %idxprom = zext i32 %c to i64
+  %idxprom1 = zext i32 %b to i64
+  %arrayidx2 = getelementptr inbounds [4 x %struct.S2]* @s2, i64 0, i64 %idxprom1, i32 0, i64 %idxprom
+  store double %0, double* %arrayidx2, align 1
+  ret void
+}
+
+define float @foo8() nounwind readonly {
+entry:
+; CHECK: foo8
+; CHECK: luxc1
+  %0 = load float* getelementptr inbounds (%struct.S3* @s3, i64 0, i32 1), align 1
+  ret float %0
+}
+
+define void @foo9(float %f) nounwind {
+entry:
+; CHECK: foo9
+; CHECK: suxc1
+  store float %f, float* getelementptr inbounds (%struct.S3* @s3, i64 0, i32 1), align 1
+  ret void
+}
+