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authorDale Johannesen <dalej@apple.com>2007-09-25 17:50:55 +0000
committerDale Johannesen <dalej@apple.com>2007-09-25 17:50:55 +0000
commit2246bb60117cdc5cc8bf723375cab2abb9feeb7f (patch)
tree878ccf247f584891000e7f6f041a1322c443b302 /test/CodeGen/X86/ldzero.ll
parent6ee23ad74b562ab33d922922c67e01f88ecfec1e (diff)
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Some tests for APFloat conversions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42303 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/ldzero.ll')
-rw-r--r--test/CodeGen/X86/ldzero.ll43
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/X86/ldzero.ll b/test/CodeGen/X86/ldzero.ll
new file mode 100644
index 0000000000..2db78a2145
--- /dev/null
+++ b/test/CodeGen/X86/ldzero.ll
@@ -0,0 +1,43 @@
+; RUN: llvm-as < %s | llc
+; verify PR 1700 is still fixed
+; ModuleID = 'hh.c'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i686-apple-darwin8"
+
+define x86_fp80 @x() {
+entry:
+ %retval = alloca x86_fp80, align 16 ; <x86_fp80*> [#uses=2]
+ %tmp = alloca x86_fp80, align 16 ; <x86_fp80*> [#uses=2]
+ %d = alloca double, align 8 ; <double*> [#uses=2]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ store double 0.000000e+00, double* %d, align 8
+ %tmp1 = load double* %d, align 8 ; <double> [#uses=1]
+ %tmp12 = fpext double %tmp1 to x86_fp80 ; <x86_fp80> [#uses=1]
+ store x86_fp80 %tmp12, x86_fp80* %tmp, align 16
+ %tmp3 = load x86_fp80* %tmp, align 16 ; <x86_fp80> [#uses=1]
+ store x86_fp80 %tmp3, x86_fp80* %retval, align 16
+ br label %return
+
+return: ; preds = %entry
+ %retval4 = load x86_fp80* %retval ; <x86_fp80> [#uses=1]
+ ret x86_fp80 %retval4
+}
+
+define double @y() {
+entry:
+ %retval = alloca double, align 8 ; <double*> [#uses=2]
+ %tmp = alloca double, align 8 ; <double*> [#uses=2]
+ %ld = alloca x86_fp80, align 16 ; <x86_fp80*> [#uses=2]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ store x86_fp80 0xK00000000000000000000, x86_fp80* %ld, align 16
+ %tmp1 = load x86_fp80* %ld, align 16 ; <x86_fp80> [#uses=1]
+ %tmp12 = fptrunc x86_fp80 %tmp1 to double ; <double> [#uses=1]
+ store double %tmp12, double* %tmp, align 8
+ %tmp3 = load double* %tmp, align 8 ; <double> [#uses=1]
+ store double %tmp3, double* %retval, align 8
+ br label %return
+
+return: ; preds = %entry
+ %retval4 = load double* %retval ; <double> [#uses=1]
+ ret double %retval4
+}